A couple of years after they got married, a romance called Kawai came next to the Hakubayashi couple who lived happily. Kawai, who fell in love after seeing Yushi at a glance, confesses to his wife, Yushi. of course, he was a good boy to refuse... One day, smoke came out of Kawai's house. yushi who rushes to erase the fire... Kawai, who fell down, said, 'I can't forget Yuko after all.' Yoshiko felt that she could not concentrate on studying at this time, and sent a lie letter to her husband and dinner to go to Kawai.