21scorpii, kamishiro_rui, year_2024, 1boy, balloon, black_footwear, black_pants, blue_hair, blue_necktie, closed_mouth, collared_shirt, doorway, expressionless, full_body, hallway, hand_on_own_hip, handkerchief, indoors, light_switch, liminal_space, long_sleeves, looking_at_viewer, male_focus, multicolored_hair, necktie, pants, pocket, red_eyes, shirt, shoes, short_hair, solo, streaked_hair, white_shirt, commentary, hashtag-only_commentary, project_sekai