Monster Master: Evidence of the Way

This is a story about a time traveler who accidentally travels to Blue Star and gradually opens up a path of his own. As an ordinary person who dreams of becoming a monster master, Yiyin will make many friends on Blue Star, face many challenges, and finally face the bleak truth. Between the Monster Management Association and Ouroboros, where will Yiyin go? (Note: There may be ooc, apologies)...