Being in Konoha, a disgrace to the Uchiha clan.

Ye Feng transmigrated to the Naruto world and became Fugaku Uchiha's younger brother and Itachi and Sasuke's uncle.
At the same time, he also became a disgrace to the Uchiha clan.
He doesn't practice ninjutsu or open his eye; he only practices taijutsu and specializes in sneak attacks.
"The groin kick technique has been upgraded; it is guaranteed to hit, ignores defense, and deals penetrating damage."
"The Empty Hand technique has been upgraded; it ignores distance and space." "The Backstab technique has been upgraded..."
"The 'hit-and-run' technique has been upgraded..." "The scam has been upgraded..."
Danzo: Uchiha Yoru has no martial ethics, he attacked from behind, come on, lie to me!
Might Guy: I never knew physical skills could be this strong! This is what youth is all about!
On the night of the massacre, Itachi's legs trembled, and his kunai fell to the ground.
This book is also known as "The Uchiha Clan's Egg-Exploding Maniac," "Egg-Exploding Expert," "One-Kick Superman," and "Starting with Empty Hands, He Stole Tsunade's Personal Bodyguard..."