1boy, 1girl, ahoge, alternate_costume, alternate_hairstyle, animal_print, arknights, bathing, blue_background, blue_hair, blue_nails, bracelet, closed_mouth, collarbone, cowboy_shot, cup, earrings, faucet, grey_eyes, grey_hair, head_wings, high_ponytail, holding, holding_cup, irene_(arknights), jewelry, long_hair, long_sleeves, looking_at_viewer, lumen_(arknights), merman, monster_boy, mug, multicolored_hair, nail_polish, pajamas, partially_submerged, pointy_ears, ponytail, rabbit_print, rubber_duck, scar, scar_across_eye, scar_on_face, short_hair, simple_background, smile, soap_bubbles, two-tone_hair, water, wings, xingxingfanfan, yellow_eyes