Ren Ichijo (Yuki Izumisawa) is worried about Rina Aizawa (Akane Hotta) who is in a bad mood at the new joy party of the university circle and calls out. Rina, who has an unfriendly attitude, is beautiful, but she was not an honest type. She thought she wouldn't be deeply involved in the future, but the chance she met at her job hunting venue shortened her distance to Rina. However, even though they felt that they were more than friends, they became members of society without being able to take a step forward. Ren, who got the title of 'Trading Company Man', enjoyed his life more than ever and was able to get away from Rina before he knew it. Meanwhile, he heard that Rina would get married ...