A very popular actor's "guess" declares his retirement... You can't help but watch!　A romantic comedy about celebrities' love for each other! The national girls group "coc9tail" announced that they will break up within this year!　Among the fans shocked by the sudden news was the extremely popular actor Hiiragi Misei. Misei's "guess" is coc9tail member Mayuzumi Sueki. What will happen in this pure love comedy about a very popular actor who is pushing a top idol?