My Master Is Luan Tingyu

During the third attack on Zhu Village by Liangshan Marsh, Luan Tingyu was betrayed by his junior fellow disciple and vanished without a trace. Lu Yunyao, a chuunibyou teenager, inexplicably finds himself on the battlefield of the final battle. When he unexpectedly uncovers the mystery of what happened to Luan Tingyu that day, he embarks on a very different Water Margin adventure.

In this world, Lu Yunyao learns martial arts, marries beautiful women, and fights barbarian invaders. He helps the weak and aids the needy, befriends heroes, then leaves without a word once his work is done, hiding his achievements and fame!