1boy, 3girls, ;d, alternate_costume, animal_ear_headphones, animal_ears, aris_(blue_archive), arona's_sensei_doodle_(blue_archive), bent_over, blue_archive, blue_eyes, blue_hair, breasts, cat_ear_headphones, collarbone, dark_blue_hair, fake_animal_ears, hair_between_eyes, hair_ornament, hairband, halo, hand_on_own_hip, headband, headphones, hoshino_ouka, long_hair, looking_at_viewer, midori_(blue_archive), momoi_(blue_archive), multiple_girls, name_tag, old_school_swimsuit, one-piece_swimsuit, one_eye_closed, one_side_up, school_swimsuit, sensei_(blue_archive), siblings, sidelocks, simple_background, sisters, sleeveless, small_breasts, smile, solo_focus, swimsuit, twins, v, very_long_hair