1boy, 2girls, blonde_hair, blood, blood_on_clothes, blood_on_face, blood_on_wall, brother_and_sister, crying, damcheong, dying, glass_door, hand_on_glass, hoshino_ai_(oshi_no_ko), hoshino_aquamarine, hoshino_ruby, hug, long_hair, looking_at_another, mother_and_daughter, mother_and_son, multiple_girls, oshi_no_ko, purple_eyes, purple_hair, siblings, star-shaped_pupils, star_(symbol), symbol-shaped_pupils, tears