Only one month to go until the interior design exam. With Teppei's incredible support, Keina makes it safely through the exam. However, Satonaka approaches Keina with a problem she could never have anticipated... Satonaka's sister has a crush on Teppei!! Still unable to tell her friend about her marriage, what can Keina possibly do?! So far, Keina and Teppei's married life has been going swimmingly. Is their commitment about to be put to the test?