1girl, barefoot, bedroom, breasts, cleavage, drooling, foreshortening, hair_down, hair_ornament, hairclip, half-closed_eyes, hand_on_own_stomach, headphones, headphones_removed, ksk_(semicha_keisuke), large_breasts, long_hair, long_sleeves, lying, mouth_drool, nijisanji, on_back, on_bed, parted_lips, pink_hair, shiina_yuika, shiina_yuika_(2nd_costume), solo, very_long_hair, virtual_youtuber