2boys, 3girls, ?, agnes_tachyon_(umamusume), animal_ears, breasts, casual, cleavage, collarbone, cuffs, daiwa_scarlet_(umamusume), handcuffs, hayakawa_tazuna, hituzininareta, horse_ears, large_breasts, long_hair, looking_at_viewer, lotion, multiple_boys, multiple_girls, school_uniform, t-head_trainer, tiara, tracen_school_uniform, trainer_(umamusume), twintails, umamusume