Three Years in Seclusion: Starting with the Nine-Tomoe Rinnegan

After transmigrating into Naruto, he becomes Tsunade's younger cousin.

Senju Shinsuke gets bound to a sign-in System waiting to be activated.

Activation condition: Do not leave the Senju clan compound for three years!

Once he succeeds, not only will the System activate, he'll also obtain the Nine-Tomoe Rinnegan!

Five-year-old Senju Shinsuke resolves not to leave for three years!

At age eight, the System successfully binds to him.

After fusing with the Nine-Tomoe Rinnegan, Shinsuke realizes something is wrong.

He can't sense even the slightest trace of energy from the Nine-Tomoe Rinnegan!

When he asks the System, it tells him: How much the eyes can do depends on how many Tailed Beasts he absorbs and how powerful they are.

Senju Shinsuke is dumbfounded.

That night.

At the entrance to Mito Uzumaki's home.

A young man, his palm glowing with an eerie red light, quietly approaches...

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