Backwasher! -Her and I, in the Women's Bath!?-

A traditional job in Japan "Sansuke". A job that provides body washing and massage for the customers in the public bath. Souta's granddad is one of the few Sansukes left now. One day, Souta has to work as a Sansuke after his granddad got injured. He finds Aoi waiting for the massage, not noticing that it's him there.

After Souta completed his "massage" on Aoi, next was the captain of the girl's volleyball team, Sasakura, was waiting… Wait a minute, she knows that it's me doing the Sansuke!? And Aoi finds out too!?

Aoi finds out that it was Souta who massaged her in the bath and also that Sasakura has a special interest towards Souta. She asks for the massage again… But hey, you do know that this is the shower room in the school with a lot of people still around right!?

During the massage in the school shower room, the others from the volleyball team comes in, leading Souta and Aoi to hide in one of the showers. Souta hears from the other members that Aoi may have a crush on him. In a shower with the girl who likes me, and she's naked? There is only one thing to do!

The next day from the shower room incident, Aoi called in sick getting Souta worried. He pops over to her house after school but also finds the captain of the boy's volleyball team checking if Aoi was ok. Souta comes over with a feeling he's yet to know what it is and offers more "massage" to Aoi. What does Aoi think about captain...?

Training camp for both girl's and boy's volleyball team. Sasakura feels that there is some distance between Aoi and Souta from the day he went over to Aoi's house. After the training, Souta finds himself in the Sansuke position again and gets called in the sauna by Sasakura. Aoi, Sasakura, and Souta, the triangle gets even more heated up in a burning hot sauna!

Sasakura left the sauna, leaving Aoi and Souta together. Souta finds out about his feeling to Aoi and the two gets close… The love heats up once again… In the burning hot sauna!

Souta loses conscious in the sauna and was getting treated by Aoi.. There he finds out Aoi's true feelings and thought about him. Will there be a happy ending waiting for them? Will Souta manage to tell his feelings to Aoi? The finale to the Sansuke's love!?