Mito's A Mystery.

[Jowy Atreides]

i forgot which chapter it is stated but iirc the yin seal is created by tsunade, mito's seal might be an entirely different thing.

 

[Zorø]

Iknow we should of got more about here.

 

[Melanin]

Wait so you're saying Mito is going to talk to Sakura?

Don't know.. but I would cool to see.

 

[Melanin]

Stop comparing Mito and Sakura, They have NOTHING in common next to the forehead mark.

The hints are there..