1girl, bathroom, blood, blood_on_hands, cardigan, cleaver, comic, crying, crying_with_eyes_open, furrowed_brow, hair_ornament, hair_ribbon, hairclip, half-closed_eyes, hiding, holding, holding_weapon, kneehighs, knees_up, loafers, long_sleeves, low_ponytail, miniskirt, motion_lines, nijisanji, omomuki_aji, on_toilet, pleated_skirt, raised_eyebrows, ribbon, saliva, scared, self_hug, shaded_face, shiina_yuika, shiina_yuika_(1st_costume), shoes, shouting, sitting, skirt, socks, solo, tears, tile_wall, tiles, trembling, virtual_youtuber, weapon