Sexymon Adventures [R6] [Winterfire]

The protagonist (nameable) just turned 18 years old and goes to an adventure around Kanto to encounter all the monsters and research a special monster mutation for the town’s professor.
Other than researching for the professor, he challenges gym leaders around the region to gain badges so that he can realize his dream to become the best monster trainer in Kanto.
During his adventure, the protagonist will face many challenges but he will also meet many different people with whom he may develop special relationships that could aid him to reach his goals.