Kyoukai Senjou no Horizon - Volume 1A, Afterword

In a world teeming with Titans, Colossals, Gigantic Monsters and Kaiju's, Erian who reincarnated makes his living collecting scraps of low-grade Defective Genetic Serum, realised he transmigrated along with his system.

Follow Erian as he grows to become the strongest Disaster Grade Titan with the help of his Titan System!

Ren Zhu: Quiet! Quiet! Look at the blackboard! I’m going to start teaching!

Bear child 1 [1]: Hahaha! Who is this weak chicken!

Bear child 2: May as well dance than listen to class. Why start the class!

Fake good child: Sit upright.

Ren Zhu: ……

Bear child 1: You received the class teacher’s quiet gaze x 1. Physical strength -500. Entered the weak state!

Bear child 2: You received the class teacher’s deep gaze x 1. Intelligence -50. Entered the mentally retar*ed state!

Fake good child: You received the class teacher’s gratified gaze x 1. Intelligence and physical strength +50. Entered the excited state.

Ren Zhu: My goal is to teach and educate people, and bring love to every bear child. Thank you.

- Description from Novelupdates

“A modern online novel writer who had been struggling finds themselves transported into the world of One Piece, becoming a 10-year-old child.After a series of events, Ryuen arrives at Cocoyasi Village. The protagonist possesses the Tori Tori no Mi (Bird-Bird Fruit), Mythical Zoan type, Phoenix form.After undergoing a rebirth (Nirvana), the protagonist's transformation no longer involves turning their hands into wings, and the fruit's power becomes even stronger!From the moment they reach Cocoyasi Village, the protagonist and Nami embark on an adventure, traveling from island to island, indulging in food, drink, and fun. Along the way, they also help the poor by taking from the rich, because, after all, Bellmere’s family is still...”