Yuujou Vibration

"Can you feel the vibrations from my phone?"

Meet Hishikawa: a plain and lonely boy, and Senzaki: the popular boy whose phone is constantly exploding with notifications. To Hishikawa, the popular boy Senzaki seems like a world away. However, an unprecedented event one day brings them closer together. And on top of that, they end up doing this and that (read: naughty things) with the vibrations from Senzaki's phone. Thus begins their days spent together engaging in activities that make them "feel good"... But is this really friendship?!

A story about youth, deep kisses, and dangerous feelings between the class's most popular boy and the pure, dark-haired, plain-old glasses boy.

(Source: MangaDex)