Wait, I transmigrated and became one of the Uchiha twins? No way, Shisui is my little brother? In that case, the Uchiha are going to change this world!
Shisui: Sorry, sorry. My brother's been like this since he was little. He doesn't mean any harm.
Tobirama: You evil Uchiha brat...
Itachi: ...Shisui, don't mess with my braids with Shuosui.
Danzo: I'm a member of the Konoha High Command! You can't kill me!
Shuosui: You're so annoying, you useless fool.
(The story may move along pretty quickly.)