TRPG Player ga Isekai Saikyou Build wo Mezasu: Henderson-shi no Fukuin wo  

Min-Maxing My TRPG Build in Another World: Preach the Good Word of Mr. Henderson, Henderson-shi no Fukuin wo: Data Munch ga Isekai ni Tensei shita TRPG wo Suru Hanashi, It Is the Story, Data Munchkin Who Reincarnated in Different World Play Real TRPG, TRPGプレイヤーが異世界で最強ビルドを目指す～ヘンダーソン氏の福音を～

The term "Data Munchkins" refers to individuals who are overly enthusiastic and willing to take risks, even if it means potentially harming others. One such individual named Erich is a reincarnated boy who uses his character build authority to become an ideal broken character. While spending time with his aggressively seductive childhood friend and caring for his younger brother, Erich analyzes data from every angle, carefully managing experience points as he tries to create the perfect heinous broken combo build. However, before he knows it, the story takes a sudden turn, and Erich finds himself in the middle of a fight to protect those he loves! The plot derails on a Henderson-scale level.

TRPG Player ga Isekai Saikyou Build wo Mezasu: Henderson-shi no Fukuin wo began as a web novel on Shousetsuka ni Narou under the title "Henderson-shi no Fukuin wo: Data Munch ga Isekai ni Tensei shita TRPG wo Suru Hanashi" (ヘンダーソン氏の福音を【データマンチが異世界に転生してTRPGをする話】) on January 19, 2019. Overlap has released a revised and illustrated version of the series since April 24, 2020 under its Overlap Bunko label.The series has been published digitally in English as Min-Maxing My TRPG Build in Another World: Preach the Good Word of Mr. Henderson by J-Novel Club since September 27, 2021.