"No matter how much I want him, my best friend has a lover."

Yuito couldn't let go of the unrequited love from his high school days that he sealed away. But ten years later, he has a fated reunion with Shougo, that very best friend? However, when Shougo finds out that Yuito has a sex friend, he becomes enraged for some reason!! Why is he angry, even though he also had a lover...? Then he confesses to the bewildered Yuito, "I've always loved you"?!

(Source: Tokuma Shoten, translated)