Shitsudo Takame na Ryouomoi

The protagonist, Miyama (Mii-kun), is a plain, gloomy, introverted guy. His head is completely filled with thoughts of his childhood friend, Yuki-chan—or rather, his one-sided crush has gotten so tangled that it's borderline creepy. Meanwhile, Yuki-chan is an eye-catching beauty, a girl as lovely as a flower who naturally draws everyone's attention. The two of them have been childhood friends for 15 years, sticking together from kindergarten all the way to university. Constantly spiraling and riding an emotional rollercoaster over their "together since forever" dynamic, Miyama's wild imagination just won't stop. Miyama assumes Yuki-chan only hangs out with a guy like him because he's often all alone, but in reality...? Follow the overly intense daily lives of these two childhood friends ...