ahoge blonde_hair blood jacket mutou_tooru natsuno_yuuki purple_eyes purple_hair shiki short_hair yellow_eyes  blue_eyes brown_hair couple crying hug mutou_tooru natsuno_yuuki pants purple_eyes purple_hair sad shiki short_hair smile yaoi  1boy barefoot blue_eyes blue_hair bondage chains crossdressing cuffs handcuffs male_focus natsuno_yuuki nude school_uniform solo trap  natsuno_yuuki shiki tagme