subject_definitions: <Video 1> is the source reference video for the target video edit. It supplies the original performance, body movement, pose timing, camera movement, framing, background, lighting, spatial relationships, group formation, and interactions, but it supplies no identity appearance. <Subject 1> is the original protagonist in <Video 1>: the model wearing the red outfit, the leading figure of the group. <Subject 1> is a source entity to be completely replaced, and its identity must not survive in the target video. <Subject 2> is the target protagonist, whose identity and complete visual appearance come from <Picture 1>. <Subject 3> is the first white-outfit supporting model in <Video 1>, first in the left-to-right order of the white models beside the protagonist. <Subject 3> is a source entity to be completely replaced. <Subject 4> is the target supporting character whose identity and complete visual appearance come from <Picture 2>. <Subject 4> replaces <Subject 3> in the same position and the same role. <Subject 5> is the second white-outfit supporting model in <Video 1>, second in the left-to-right order. <Subject 5> is a source entity to be completely replaced. <Subject 6> is the target supporting character whose identity and complete visual appearance come from <Picture 3>. <Subject 6> replaces <Subject 5> in the same position and the same role. <Subject 7> is the third white-outfit supporting model in <Video 1>, third in the left-to-right order. <Subject 7> is a source entity to be completely replaced. <Subject 8> is the target supporting character whose identity and complete visual appearance come from <Picture 4>. <Subject 8> replaces <Subject 7> in the same position and the same role. <Subject 9> is the fourth white-outfit supporting model in <Video 1>, fourth in the left-to-right order. <Subject 9> is a source entity to be completely replaced. <Subject 10> is the target supporting character whose identity and complete visual appearance come from <Picture 5>. <Subject 10> replaces <Subject 9> in the same position and the same role. <Subject 11> is the fifth white-outfit supporting model in <Video 1>, fifth in the left-to-right order. <Subject 11> is a source entity to be completely replaced. <Subject 12> is the target supporting character whose identity and complete visual appearance come from <Picture 6>. <Subject 12> replaces <Subject 11> in the same position and the same role. <Subject 13> is the sixth white-outfit supporting model in <Video 1>, sixth in the left-to-right order. <Subject 13> is a source entity to be completely replaced. <Subject 14> is the target supporting character whose identity and complete visual appearance come from <Picture 7>. <Subject 14> replaces <Subject 13> in the same position and the same role. <Picture 1> is the character turnaround sheet of the target protagonist <Subject 2>: one single person shown from the front, side, and back views. <Picture 2> is the character turnaround sheet of the target supporting character <Subject 4>: one single person shown from the front, side, and back views. <Picture 3> is the character turnaround sheet of the target supporting character <Subject 6>: one single person shown from the front, side, and back views. <Picture 4> is the character turnaround sheet of the target supporting character <Subject 8>: one single person shown from the front, side, and back views. <Picture 5> is the character turnaround sheet of the target supporting character <Subject 10>: one single person shown from the front, side, and back views. <Picture 6> is the character turnaround sheet of the target supporting character <Subject 12>: one single person shown from the front, side, and back views. <Picture 7> is the character turnaround sheet of the target supporting character <Subject 14>: one single person shown from the front, side, and back views. <Picture 1> through <Picture 7> are seven different characters, exactly one single person per sheet. <Subject 15> is the target environment of the whole target video, described in text only, with no reference image: a modern Chinese high-school campus on a clear late afternoon. A wide light-stone paved plaza lies in front of a pale beige teaching building with rows of windows and open corridor railings. Mature plane trees with dappled shade line both sides of the plaza, with trimmed low hedges and a few parked bicycles near the edge. In the far background stand a red running track, a green sports field, and a tall flagpole with a red flag, with soft distant rooftops and a clear sky above. Warm low sunlight comes from behind the trees, casting long soft shadows across the pavement, with gentle atmospheric haze and no other people anywhere in the scene. summary: [video editing + character replacement] three-view identity reference The target video is an edited version of <Video 1>. Completely replace <Subject 1> with <Subject 2>, whose identity and complete visual appearance are defined by <Picture 1>. In the same way, completely replace <Subject 3>, <Subject 5>, <Subject 7>, <Subject 9>, <Subject 11>, and <Subject 13> with <Subject 4>, <Subject 6>, <Subject 8>, <Subject 10>, <Subject 12>, and <Subject 14>, whose identities and complete visual appearances are defined by <Picture 2>, <Picture 3>, <Picture 4>, <Picture 5>, <Picture 6>, and <Picture 7> respectively. Preserve the requested performance structure from <Video 1>. Do not preserve, blend, or reintroduce the visual identity, face, hairstyle, body appearance, or outfit colors of any source model in <Video 1>. Relocate the whole scene to <Subject 15>, the described campus environment: the original background, set, props, and environment of <Video 1> are replaced and must not appear in the target video. retention_analysis: <Video 1>: fully_preserved for body movement, poses, action timing, camera trajectory, framing, spatial blocking, group formation, and interaction with the ground and the surrounding props of the new scene. The identity appearance of every source model, and the original background, set, environment, and lighting of <Video 1>, are not preserved. <Subject 1>: identity_not_preserved. Completely remove the red-outfit protagonist's face, hairstyle, body appearance, clothing, and visual identity. <Picture 1>: fully_referenced as the identity and complete visual-appearance source for <Subject 2>. <Subject 2>: identity_fully_preserved. Keep the identity and complete appearance from <Picture 1> consistent from every visible angle and in every frame. <Subject 3>: identity_not_preserved. Completely remove the first white-outfit model's face, hairstyle, body appearance, clothing, and visual identity. <Picture 2>: fully_referenced as the identity and complete visual-appearance source for <Subject 4>. <Subject 4>: identity_fully_preserved. Keep the identity and complete appearance from <Picture 2> consistent from every visible angle and in every frame. <Subject 5>: identity_not_preserved. Completely remove the second white-outfit model's face, hairstyle, body appearance, clothing, and visual identity. <Picture 3>: fully_referenced as the identity and complete visual-appearance source for <Subject 6>. <Subject 6>: identity_fully_preserved. Keep the identity and complete appearance from <Picture 3> consistent from every visible angle and in every frame. <Subject 7>: identity_not_preserved. Completely remove the third white-outfit model's face, hairstyle, body appearance, clothing, and visual identity. <Picture 4>: fully_referenced as the identity and complete visual-appearance source for <Subject 8>. <Subject 8>: identity_fully_preserved. Keep the identity and complete appearance from <Picture 4> consistent from every visible angle and in every frame. <Subject 9>: identity_not_preserved. Completely remove the fourth white-outfit model's face, hairstyle, body appearance, clothing, and visual identity. <Picture 5>: fully_referenced as the identity and complete visual-appearance source for <Subject 10>. <Subject 10>: identity_fully_preserved. Keep the identity and complete appearance from <Picture 5> consistent from every visible angle and in every frame. <Subject 11>: identity_not_preserved. Completely remove the fifth white-outfit model's face, hairstyle, body appearance, clothing, and visual identity. <Picture 6>: fully_referenced as the identity and complete visual-appearance source for <Subject 12>. <Subject 12>: identity_fully_preserved. Keep the identity and complete appearance from <Picture 6> consistent from every visible angle and in every frame. <Subject 13>: identity_not_preserved. Completely remove the sixth white-outfit model's face, hairstyle, body appearance, clothing, and visual identity. <Picture 7>: fully_referenced as the identity and complete visual-appearance source for <Subject 14>. <Subject 14>: identity_fully_preserved. Keep the identity and complete appearance from <Picture 7> consistent from every visible angle and in every frame. <Subject 15>: fully_preserved. Keep the described campus environment, its layout, its props, its lighting direction, and its background depth consistent in every frame and across all segments. reference_interpretation: <Picture 1> through <Picture 7> are seven character turnaround sheets. Each sheet shows the same single person from three angles: a front view, a side view, and a back view. The front, side, and back figures on one sheet are one and the same character, not three different people, and the seven sheets depict seven different characters, exactly one character per sheet. Use the front view as the primary identity anchor for face and costume, the side view for profile, hair volume, and body silhouette, and the back view only for the back of the hairstyle and the back of the costume. Do not reproduce the sheet layout, panel dividers, text labels, grid lines, blank sheet background, or duplicate copies of a character. detailed_description: For the target video, at 0.00 seconds, <Picture 1> is fully referenced as the identity and complete visual appearance of <Subject 2>, and <Picture 2> through <Picture 7> are fully referenced as the identity and complete visual appearance of <Subject 4>, <Subject 6>, <Subject 8>, <Subject 10>, <Subject 12>, and <Subject 14> respectively. At the same time the scene is relocated to <Subject 15>, the described campus environment, and the original background of <Video 1> is no longer present. [Shot 1] The target video begins with the same shot composition as <Video 1>. Exactly seven characters appear in the target video, occupying the same positions and the same left-to-right group order as the seven models in <Video 1>: <Subject 2> from <Picture 1> stands where the red-outfit protagonist <Subject 1> stands as the leading figure, and <Subject 4>, <Subject 6>, <Subject 8>, <Subject 10>, <Subject 12>, and <Subject 14> from <Picture 2> through <Picture 7> stand where the white-outfit supporting models <Subject 3>, <Subject 5>, <Subject 7>, <Subject 9>, <Subject 11>, and <Subject 13> stand, in exactly the same order. Every target character follows the same body movement, poses, physical actions, reactions, and action timing shown in <Video 1>. Preserve the camera movement, framing, spatial blocking, group formation, and shot composition from <Video 1>, but stage the whole action inside <Subject 15>: the seven characters stand and move on the light-stone campus plaza with the teaching building behind them, plane-tree shade reaching into the foreground edge, and the running track and flagpole visible far behind. The original background, set, props, and lighting of <Video 1> must not appear. Only the designated characters' identities and appearances, and the environment, are changed. Throughout the target video, each target character remains one consistent single person whose identity and complete appearance come from its own sheet: <Subject 2> from <Picture 1>, <Subject 4> from <Picture 2>, <Subject 6> from <Picture 3>, <Subject 8> from <Picture 4>, <Subject 10> from <Picture 5>, <Subject 12> from <Picture 6>, and <Subject 14> from <Picture 7>. Never merge, swap, average, or blend one sheet's character into another. Do not retain or blend any characteristic from <Subject 1>, <Subject 3>, <Subject 5>, <Subject 7>, <Subject 9>, <Subject 11>, or <Subject 13>, and do not keep the red outfit or the plain white outfits of the source models. Keep exactly seven people in frame at all times, with no additional person, no missing person, no duplicate character, and no extra copies of the turnaround sheets. Each turnaround sheet is one character shown from three angles; never render one sheet as three separate people. Never return to the original background or set of <Video 1>. Avoid identity mixing, face morphing, duplicated limbs, unstable anatomy, temporal flicker, and sudden appearance changes. overall_soundscape: Generate natural synchronized ambience for the described campus environment: light wind through the plane trees, faint birdsong, a distant school bell, far-away sports-field noise kept low in the background, footsteps on the stone plaza, and clothing movement matched to the visible actions of the seven characters. Keep the campus ambience consistent in every frame and across all segments. Do not copy or reference the source video's audio unless it is explicitly wired or requested. non_diegetic_music: N/A