Monster Capsule System

In the Ultra world where everyone calls for monsters, a boy who traveled to another world gained the ability to summon monsters after possessing the system. In order to prevent himself from being misunderstood and to live longer in the other world, he began to help the protagonist overcome difficulties in exchange for favors. Since then, the world has gained a breath of fresh air. ................................................................................. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.