"Hey, Kuroya, you like me, don't you? How did you know?" To have one-sided love discovered. For Kuroya, a high school student in the shadows, it was a humiliation that was tantamount to death. The other is Kasumi Shiramori, an extremely beautiful girl who is an upperclassman in the literature club. While they spend time alone together in the club, Kuroya is forced to admit that he has been hiding these feelings from her for a long time, but ......! The older student tells the despairing Kuroya, "Well, I'm going out with her on a trial basis for the time being. "Then - for the time being - we'll go out on a trial basis"? No way, they are in love with each other and have a relationship! No, wait, it's not supposed to be like this---This is an agonizingly lovey-dovey and super-sweet adolescent romantic comedy full of lovey-dovey love from the senpai of your dreams, who teases you even though you're dating!