2girls, ;), bangs, blue_background, blue_theme, diving_mask, diving_mask_on_head, finger_to_mouth, goggles, goggles_on_head, hair_ribbon, heart, index_finger_raised, low_ponytail, low_twintails, monochrome, multiple_girls, one_eye_closed, open_mouth, outstretched_arms, ribbon, school_uniform, serafuku, short_ponytail, sitting, sitting_on_head, sitting_on_person, smile, twintails, upper_body