THE BEST SIDE OF นายน้อยจอมโกยก้าวสู่เส้นทางแห่งวีรบุรุษ

In his youth, he experienced an extremely near Trainer-student partnership with Master Wu, which, even though instead healthier and favourable for them to start with, swiftly took a nosedive once the revelation that Morro wasn't destined to generally be the Green Ninja, which caused Morro to become bitter and resentful, and caused him to abandon Wu