A Nobody's Way Up to an Exploration Hero LV

Kaito Takagi is a high school student who keeps a low profile. He makes a living by hunting slimes in dungeons across Japan. Outside of school, Kaito secretly harbors feelings for his childhood friend, a well-known student in their class. After defeating a rare golden slime, Kaito discovers a valuable item that can summon mythical creatures, which he uses to summon a powerful warrior maiden, altering the course of his life as a dungeon explorer.