Houkago no Dungeon Diver: Nihon to Isekai wo Ikiki Dekiru You ni Natta Boku wa Level Up ni Isoshimimasu  

After-School Dungeon Diver: Level Grinding in Another World, Houkago no Meikyuu Boukensha: Nihon to Isekai wo Ikiki Dekiru You ni Natta Boku wa Level Up ni Isoshimimasu, 放課後の迷宮冒険者〈ダンジョン・ダイバー〉～日本と異世界を行き来できるようになった僕はレベルアップに勤しみます～

What about taking a break from reality and exploring a different realm every now and then? 17-year-old Kudo Akira discovers that he can travel between Japan and the enchanting land of Do-Melta. With no pressing responsibilities or obligations, he spends his time delving into the labyrinthine depths of the world's central dungeon and all its accompanying perks. The guild receptionist attempts to leech off of him, his magic teacher presents him with incentives for his efforts, and he may even have some romantic encounters with a girl he rescues...

Houkago no Dungeon Diver: Nihon to Isekai wo Ikiki Dekiru You ni Natta Boku wa Level Up ni Isoshimimasu has been published digitally in English as After-School Dungeon Diver: Level Grinding in Another World by J-Novel Club since March 29, 2024.