It's a story about how he gave him a month's grace, but he's so obsessed with another man that he's always loved, and he slept to the heart of his best friend's boyfriend.

This is a story about a boyfriend being cheated on by his best friend. Although her best friend Nagi has a boyfriend called Taichi, she is obsessed with a different man. He had a crush on Taichi, but he had retreated if he was his best friend... but when he saw Taichi's lonely face, he couldn't help but say, "Why don't you break up and start dating me?" I heard that I would be on a trip with my senior in a month so I gave him a grace period. If I were to get back together, I would give up...but Nagi leaves Taichi behind and heads off to the trip. So I decided to take Taichi away, everything is in my mind and body.