Teppen-!!!.

てっぺんっ!!!

Teppen-!!! (てっぺんっ!!!; "Summit...!!!") is a Japanese manga series written by Inujun and illustrated by Namamugi, based on the Seiyū San-Shimai Team Y unit formed by voice actresses Mikoi Sasaki, Aimi, and Ayasa Itō. It has been serialized in Bushiroad's shōnen manga magazine Monthly Bushiroad since January 2021 and has been collected in five tankōbon volumes.