Show-Ha Shoten! Vol 3

Show-ha Shoten! by Akinari Asakura. A Shonen manga rated Teen, published in English by Viz Media.

Taiyo Takiguchi is a shy high schooler who secretly writes comedy routines. When his classmate Higashikata, a natural performer, recruits him to form a comedy duo, Taiyo has to step into the spotlight and chase the dream of becoming a top comedian.