Marina couldn't make it in time for the class reunion because she worked overtime, so she had to join the after-party at the hotel where her friend Taga was staying. However, the others go home, and they are alone with Taga, who he liked in the past, and Ryusei, who came out saying, "I used to like you." At the same time, two people approached Marina, who was confused by the unexpected development and the dilemma, "Which one is better, me or this guy?"