Naruto: My Brother is Madara-sama!

Kyosuke transmigrates to the Warring States era, becoming an ordinary member of the Uchiha clan. At that time, Madara-sama is still a half-grown teenager, the God of Shinobi is still figuring out how to skip stones on water, Black Zetsu is pondering how to split the moon to save his mother, Isshiki is hiding in a temple eating vegetarian meals and chanting sutras. The young Kyosuke throws himself into the battlefield, luckily awakening the exchange system, using kills on enemies to gain points and exchange for various abilities.

Rinnegan, Item Grade SSS, Exchange requires 200,000 points.

God Tree Seed, Item Grade SSS, Exchange requires 200,000 points.

Truth-Seeking Orb, Item Grade SSS, Exchange requires 200,000 points.

Yomi Hirasaka, Item Grade SS, Exchange requires 100,000 points.

Uchiha Madara: "Kyosuke, with you and me as brothers joining hands, we can absolutely wipe out the Senju clan!"

Senju Hashirama: "My friend, let's together fulfill the dream of establishing Konoha Village!"

Black Zetsu: "Help me save my mother!"

Uzumaki Mito: "We agreed you'd marry me, do you want to go back on your word?"

Otsutsuki Kaguya: "Oh no, the clan enforcement team is coming, Kyosuke, quickly fight the enemy with me!"

Otsutsuki Isshiki: "Impossible, why do you have my unique dojutsu?!"

Uchiha Kyosuke: "What's impossible about it? Yours truly still wants to storm the moon!"

Main characters: Uchiha Kyosuke,