Rule 34 Dev - alternate_costume background belly big_ass black_hair black_kneehighs black_kneesocks bracelet crop_top huge_ass huge_breasts human human_only k-on! keigi_(artist) kneehighs kneesocks lips long_hair long_nails looking_at_viewer miniskirt mio_akiyama_(k-on!) plump school_uniform schoolgirl thick_thighs|4201854352