Araiya-san! Ore to Aitsu ga Onnayu de!? episode 4

Is this truly a massage!? Tsukishima began working as a part-time bathroom attendant at a public bathhouse. It just so happened that on his first day, the female volleyball team decided to pay him a surprise visit! One thing leads to another, and he finds himself delivering a slimming massage to a girl called Aoi, whom he has had his eye on for quite some time... (