Hotaru (Ayase Haruka), who works for a famous interior design company, lives a lazy life at home wearing her pajamas and drinking beer. One day, her landowner’s son separates from his wife and comes back to live with his parents who trusted Hotaru the place. As it turns out, the son is Hotaru’s boss (Fujiki Naohito) and now the two have to cope on living under the same roof.
Every reason to daydream in one place