True Love Plus Extra

During a spring school vacation, teacher Natsukawa goes out searching for his delinquent students. He ends up finding one in Koga, a student he wished he hadn't hunted for. Natsukawa is known for being a bit dumb-witted, and while on the hunt, he finds himself in trouble. Illegal leave-taking student Koga Takaya comes to his rescue, taking an interest in the oblivious teacher. Koga asks for a kiss in return, and Natsukawa is disturbed to realize that Koga knows exactly who he is, even though Natsukawa doesn't recognize him as one of the delinquents he's supposed to be looking for.

As they become close throughout the story, Natsukawa must confront his growing feelings for Koga. Will his incompetency lead him to loneliness, or will he realize that he is in love with Koga Takaya? The volume also contains several oneshots, including a story about Itsuki and Washinomiya-sempai, where Itsuki becomes a guinea pig for Washinomiya by taking pills to be close to him.