Naruto: Teacher Madara, You Be the Hokage

Uchiha Shinsuke, who unexpectedly becomes a student of Madara Uchiha, awakens a Uchiha Achievement System.

As long as he accomplishes achievements related to the Uchiha, he receives the corresponding rewards.

Become the new clan head of the Uchiha Clan and receive the Mangekyō Sharingan.

Make the Uchiha Clan the first to produce a Hokage and receive the Flying Thunder God Technique.

Get Tsunade to marry into the Uchiha Clan and receive Hashirama Senju's Wood Release.

Conquer the shinobi world in the Uchiha Clan's way and receive the Rinne Sharingan.

Bring Kaguya Otsutsuki into the Uchiha Clan and receive the God Tree Fruit.

Uchiha Shinsuke: "Teacher, Konoha Village has decided to make you the next Hokage."

Madara Uchiha, after being resurrected: "Huh?"

During the Fourth Shinobi World War, the four great shinobi villages surround Konoha.

Madara Uchiha: "You four juniors think you can dance? Submit to Konoha, and I'll spare your lives!"

Black Zetsu: "No, that's not how the Eye of the Moon Plan is supposed to go. You're supposed to fight the five great villages, collect the Nine Tailed Beasts, and become the sacrifice."

P.S. This is a lighthearted, overpowered story with multiple female leads. The author has already written one book with an average of 17,000 paid subscriptions, Teaching at the Ninja Academy, and the System Says I'm Tsunade's Student; two books with 8,000 paid subscriptions each, Infiltrating Konoha, Moonlighting as Hokage and Konoha: The Gu Master Builds a Hokage; and one book with 5,000 paid subscriptions, Naruto: Merging Character Templates from Across the Multiverse. Feel free to add them to your library and give them a read.