k-on!
akiyama mio, hirasawa yui, kotobuki tsumugi, tainaka ritsu
shin (new)
4girls, ahoge, blush, breasts, flat chest, grabbing, grabbing another's breast, medium breasts, multiple girls, night, nude, o_o, onsen, open mouth, outdoors, partially submerged, same-sex bathing, shared bathing, steam, tomboy, towel, towel on head, water, yuri