Dungeon Diver: Stealing A Monster's Power - Chapter 13

On the desolate barren planet of Rennes, an Asian teenager named Lin Yuan receives an admission notice for the Empire’s best military academy San Romia. So begins his life changing military school career.

Noda Sagiri is the only girl in her karate club, she has little feminine attributes but has a hidden talent in making sweets. On a whim she decided to bring her handmade cookies to her club, but after one of the idols of the school Michel François tasted her cookie he suddenly declared “I must meet with the girl who made these cookies!”. The search for the cookie maker began, however it seems that no one would come to expect that Sagiri is the one who made them….

Zhou Yu, a reclusive otaku who did not like to go out of his house, was one day forced out of his house by a series of unexpected events.

Crossing to One Piece world, he became Roger’s younger brother.