Kenichi 
Isekai Tensei: Recruited to Another World (Manga): Volume 5 [EPUB ebook] 

Conquer dungeons on easy mode with cute new friends! After a successful duel in Gunjo City, Tenma decides to move to the next phase of his adventures in the city of Sagan, where he explores his first dungeon and encounters the city’s strongest party of adventurers. His journey becomes even livelier when he makes an exciting discovery in the dungeons!

Follow Tenma on the next part of his journey, exploring dungeons and making new friends!