(Naruto + system + subversion + ease + single heroine)
Traveling through time and becoming Uchiha Jing, you get the shock system. Only by shocking people can you get ninjutsu.
Uchiha: Is this the loser from before? impossible! The Uchiha clan is proud of you!
Hinata: Good son-in-law, come on! Forge ahead!
Itachi: Thank you Uchiha Kei for your help, otherwise I wouldn’t be able to become the Fifth Hokage!
Senju Hashirama: I knew that teacher is a unique existence in the world!
Uchiha Madara: Only teacher is worthy of dancing with me!
Uchiha Kei: Keep a low profile, I am the man who will become King Otsutsuki in the future!