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!?~
Alternative titles: Miss Washer!: Her and I in Female Bath!?, Washer! She and I in the Women's Bath!?
Type: ONA
Source: Manga
Episodes: 8
Status: Finished Airing
Aired: Apr 8, 2019 to May 20, 2019
Duration: 7 min per ep
Rating: Rx - Hentai
Studios: Magic Bus
Producers: Picante Circus
Genres: Comedy, 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)

The anime aired in two versions: an all-ages broadcast version and an uncut 18+ version streamed on ComicFesta Anime Zone.