Konoha: Offer your heart to the Hokage!

Konoha 5th year.
Hashirama is still alive, and the Nine-Tails has not been sealed away.
Shen, who specializes in medical ninjutsu, defected from Takigakure to Konoha with the secret technique of Earth Grudge Fear, becoming the hospital director and living a normal life.
Earth Grudge, a secret technique that achieves near-immortality through heart replacement.
Facing Hashirama, who was about to meet him at the Valley of the End, Shen Er produced a pre-prepared document—an "Organ Donation Volunteer Form."
"Lord Hokage, please sign before you leave."