Takai is preparing breakfast.While he was eating, his wife Makoto hurriedly went to work, looking at the time.Recently, he seems to be busy helping out his senior teacher, Yasuno.That afternoon, Takai was called to the chairman's office.Takai had a dream of opening his own store, but a few days ago he was found through Yasuno's agency, and in addition, Shiraishi, the chairman of the school, will even invest in it.The chairman's office will be told to go to the store this weekend and prepare for opening.And then weekend morning.I'll leave the house for a few days.Makoto said that he was worried that he would stay at school late with Yasuno-sensei's help that day, but Takaki convinced Makoto, saying, "It's okay if Yasuno-sensei is.".That night.Makoto, who has been working from Yasuno in the staff room, receives a LINE message from Takaiku."This is about to end.The other side also feels great.I'll tell you more when I get home tomorrow."Makoto is replying to L〇NE, and Yasuno appears with coffee.Makoto drinks coffee handed to her by Yasuno, but after a while she collapses to the spot.Yasuno looks at Makoto's body as he collapses on the floor with a disgusting smile...