k-on!
akiyama mio, hirasawa yui, kotobuki tsumugi, tainaka ritsu
hizuki yayoi
4girls, alternate hairstyle, blowing bubbles, comic, completely nude, convenient censoring, covering privates, hair down, hair over breasts, long hair, mouth submerged, multiple girls, nude, onsen, ponytail, same-sex bathing, shared bathing, towel, towel on head
photoshop (medium), translated