Konoha: Luck with a Billionfold Critical Boost

The protagonist dies unexpectedly and transmigrates to Konohagakure, bringing along a Billionfold Luck Critical-Hit System.

He is born into a clan where everyone's intelligence is above 180.

The protagonist, Nara Shikadan, whose IQ is 105, says that survival is hard.

Nara Shikaku: Don't worry, big bro will protect you, my dearest little brother.

Hiruzen Sarutobi: A ninja with the Will of Fire is a worthy junior to nurture. Shikadan, where's your Will of Fire?

Danzo Shimura: You blockhead, the Foundation has only just been established and we're short-handed. Join us, and the deputy director's post is yours.

Orochimaru: Your ideas are very interesting. Come with me and take a look at my experiments.

Tsunade: Big sis's loving iron fist is very gentle.

Jiraiya: Heh heh! Your jutsu is the perfect tool for gathering material. A fellow connoisseur! Come on, let's go gather material together.

This novel and its characters are entirely fictional. Any resemblance to real people or events is purely coincidental. Do not imitate.