Despite being a beloved student in high school, Keita couldn't comprehend why he kept getting romantically rejected. It wasn't until his friend, Shuuji, came back to their town that Keita lost his virginity to him. As Keita continued to kiss Shuuji week after week, he discovered that he had fallen in love with him and confessed his feelings. Sadly, Shuuji turned him down despite harboring mutual feelings for Keita. What made Shuuji reject Keita even though they both had romantic sentiments for one another?