Kelvin wakes in another world having traded his memories for exceptional summoning and magical skills. The goddess who arranged his reincarnation accompanies him as a guide and subordinate. He begins life as an adventurer, but his appetite for strong opponents soon makes remaining an ordinary newcomer difficult.
Kelvin’s early companion is Clotho, a blue slime. After completing a request and reaching E rank, he is invited by a higher-ranked adventurer to hunt a powerful Blackghost Knight. The invitation puts his appetite for difficult fights against the caution expected of someone just starting out.
At the adventurers’ guild, receptionist Ange assigns jobs and confirms when an adventurer has completed them. Kelvin may have exceptional skills, but his new profession still runs through that ordinary counter. Ange takes an interest in the newcomer who keeps asking for dangerous requests, giving his appetite for battle a practical foil in someone responsible for matching adventurers to work.