2girls, bad_pixiv_id, bikini, bikini_under_clothes, black_ribbon, black_skirt, blush, breasts, collared_shirt, crop_top, grey_hair, hair_ribbon, hand_on_another's_shoulder, hololive, houshou_marine, houshou_marine_(summer), koubou_(cowbow_kun), long_hair, lying, medium_breasts, multicolored_hair, multiple_girls, nakiri_ayame, nakiri_ayame_(5th_costume), no_shoes, off-shoulder_shirt, off_shoulder, official_alternate_costume, on_back, open_mouth, red_bikini, red_eyes, red_hair, ribbon, shirt, sitting, skirt, sleeveless, sleeveless_shirt, streaked_hair, swimsuit, tearing_up, tickling, twintails, virtual_youtuber, white_shirt