1girl, aqua_eyes, arm_behind_head, arm_fins, artist_name, bed_sheet, blue_gemstone, breasts, circlet, dakimakura_(medium), fake_horns, full_body, gem, genshin_impact, gold_collar, harem_outfit, horns, long_hair, lying, medium_breasts, mermaid, monster_girl, monsterification, navel, nilou_(genshin_impact), on_back, orange_hair, sideboob, solo, twintails, veil, zephylyne