Kaqi and Coconut were originally very happy when they heard that a new course was going to be established. However, they did not expect that the school collapsed one day after the course was launched. What kind of secret is hidden behind this? What kind of evil plan is there? One dark night, everyone gets a monster of their own. They later join a team of monster trainers along with Emily. Their mission was the most difficult of the B-level missions. They went to the ancient undersea city to find the Heart of the Deep Sea. Unexpectedly, the Heart of the Deep Sea was hidden by Laplace, the Ancestor of Water. The Ancestor of Water is a creation monster who occupies the Heart of the Deep Sea. The friends used their own wisdom and monster strength to successfully obtain the Heart of the Deep Sea, but Laplace did not stop him and instead smiled sinisterly...
Concept: A child's random thoughts