Riko Shirono doesn't have any big expectations for a man in her life, but she works as a love simulation game planner. She receives a request for a new love game from app company TIMEIS. Soichiro Kurokawa is the CEO for the company. He is almost perfect, but he can't understand a woman’s mind. One day, Soichiro, who likes his subordinate Momose, asks Riko to teach him about love techniques. Due to Riko’s help, Soichiro and Momose get close, but Riko finds herself becoming attracted to Soichiro.