Nido Tensei Shita Shounen wa S Rank Boukensha Toshite Heion ni Sugosu-zense ga Kenja de Eiyuu Datta Boku wa Raisede wa Jimini Ikiru

Nido Tensei shita Shounen wa S-Rank Boukensha Toshite Heion ni Sugosu: Zense ga Kenja de Eiyuu Datta Boku wa Raise dewa Jimi ni Ikiru, The Re-Reincarnated Boy Lives Peacefully as an S-Rank Adventurer ~ I, a Sage and Hero in My Previous Lives, Will Live a Simple Life in My Next ~, 二度転生した少年はSランク冒険者として平穏に過ごす　～前世が賢者で英雄だったボクは来世では地味に生きる～

Synopsis Nido Tensei Shita Shounen wa S Rank Boukensha Toshite Heion ni Sugosu-zense ga Kenja de Eiyuu Datta Boku wa Raisede wa Jimini Ikiru

Used to be a Hero, and before that a Sage, Lex has reincarnated. Again. This time he just wants to be a NORMAL adventurer…

Description from MangaUp!:

“I was reincarnated again.”

Rex, a reincarnated boy with two past lives—a “Sage” and a “Hero.”

Having learned the dangers of standing out from the memories of those lives, he vows to live a simple third life as an “Adventurer.”

But that “simple” was way too “fancy” for normal people!!

So begins the exciting fantasy adventure drama of the strongest boy with no self-awareness, overwhelming the people around him in his super new game plus!!