Araiya-san!: Ore to Aitsu ga Onnayu de!?
English title: Backwasher! Her and I, in the Women's Bath!?
Japanese title: 洗い屋さん! ~俺とアイツが女湯で!?~
Type: ONA
Episodes: 8
Source: Manga
Genres: Comedy, Hentai
Studios: Magic Bus
Producers: Picante Circus
Duration: 7 min per ep
Rating: Rx - Hentai

"Is This Really Massage...?" Souta started to work part-time at Sentou, which is his hometown, as a back washer, he ends up washing Aoi, who is his classmate but trying to cover her identity... As he massages her with days of hate from her harassment continues, He realized that Aoi has in love with him one-sided...! When he touches her hot skin, She realizes that the one who washes her is Souta. A love comedy between a clumsy guy and girl behind the red curtain!

(Source: MAL News)