Wash It All Away manga volume 3 features story and art by Mitsuru Hattori.

Elementary student Nairo helps establish an online presence for Kinme Cleaning. The new visibility lands Wakana a job cleaning a hat, and its influencer owner expands the business's clientele across Japan. When Wakana meets a shy woman named Uka, they find themselves modeling in an island tourism campaign. But after the shoot, Wakana vanishes as their boat departure time draws near.