When he woke up, entomologist Russell found that he had traveled to the world of beast control and became the owner of an insect pet shop.
Here, although insect-type pet beasts are widely distributed, they are evaluated as "lack of cultivation value" due to insufficient individual strength, and are rarely favored by professional beast masters.
With his unwavering passion for insects, Russell awakened the innate skill "Cocoon of Evolution" that allows insect beasts to grow infinitely.
The death moth with an eerie appearance, the mantis with unparalleled fighting spirit, the timid but reliable cloakworm...
With a team of insect beasts that are not favored by others, he clears the Eight Avenues Pavilion, challenges the regional league, and opens Aiming for his own insect gymnasium, he embarked on the road to rebuild the glory of the insect system!