1girl adapted_costume black_bra black_panties bow bow_panties bra breasts c_turtle cleavage collarbone commentary english_commentary finana_ryugu fish_girl green_hair head_fins heart heart_in_eye heart_pillow highres holding holding_pillow long_hair looking_at_viewer lying medium_breasts midriff navel neck_tattoo nijisanji nijisanji_en on_back on_bed panties parted_lips pillow purple_eyes smile solo stomach symbol_in_eye tattoo underwear underwear_only very_long_hair virtual_youtuber yes yes-no_pillow