2girls, d, arona's_sensei_doodle_(blue_archive), arona_(blue_archive), back-to-back, bikini, black_bikini, black_eyes, black_hairband, blue_archive, blue_eyes, blue_hair, ev_(dai00888), frilled_bikini, frills, hair_over_one_eye, hairband, halo, long_hair, multiple_girls, open_mouth, phrenapates_(blue_archive), plana_(blue_archive), sensei_(blue_archive), short_hair, sitting, smile, swimsuit, white_bikini, white_hair, white_hairband