Ichiro Tani" was a tutor living in the hall at the request of "Rurie Munakata". One day, he finds a hint to know the truth of the museum, but it is seen by the maid "Kouhara Koi". However, if that is the case, the secret of Rurie will be known by forcibly entwining love ... "I want my mom to get pregnant" For the request of "Munakata Nakoto", Tani uses love ...!?