Up-and-coming superstar Ren Fujimaru's only weakness is that he doesn't like children. To overcome this vulnerability, Ren's manager suggests that he lives with his co-star in an upcoming project, child actor Yuu Kusaka, for one week! On their first day living together, he meets Yuu's manager Kei Haruo, a former child actor himself. He is the one who inspired Ren to get into acting, so why did he quit...?<br><br>This week will be one that changes all of their lives forever...