Uso wa Hitotsu mo Tsuitemasen

"From now on, keep an eye on me, okay?"

Kaname Ichinose and Ryou Aizawa are high school boys who live in the same dorm room and practice together after school despite belonging to different clubs. One day, Ryou is suddenly asked by Kaname to "protect him." Kaname says it's because the seniors in his dorm are teasing him too much, and Ryou accepts. However, when it comes down to it, Kaname has an even more serious agenda...

(Source: Kadokawa, translated)