2girls, arm_around_waist, artist_name, ball, bare_legs, black_hair, blue_eyes, blue_hair, bow, bowtie, breasts, breasts_apart, green_bow, green_bowtie, hair_bow, hair_ornament, hairclip, inoue_sora, long_hair, looking_at_viewer, lying, mai_ball!, medium_breasts, miniskirt, miyano_ichigo, miyano_mai, multiple_girls, navel, necktie, on_back, one_eye_closed, open_mouth, pinky_out, plaid, plaid_skirt, pleated_skirt, school_uniform, serafuku, shirt, siblings, side_ponytail, sisters, skirt, sleeves_rolled_up, smile, soccer_ball, tatami, wet, wet_clothes, wet_shirt, white_shirt