The first son don't posess rinnegan or sharingan

[uchihamad]

After seeing the picture of first son of So6p I came to this conclusion.Lokk at his eyes closely rather than sharingan or rinnegan it look like whirl pool or Uzumaki clan's emblem in his eyes.I think it is a different dojutsu

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[November]

sasuke will get that eyes

 

[uchihamad]

sasuke will get that eyes

gud for himxd

 

[Megatolium]

Its probably Rinnegan under unforeseen circumstances, since he drew that before Rinnegan was introduced.

 

[-Jiraiya-]

I have seen countless threads on same topic..:shrug:
It may be drawing mistake.. As I doubt new doujutsu will be introduced above rinnegan.

 

[Sea Of Thy Soul]

It may very well be his ms or ems.

 

[Kages]

Narutopedia says it's an unkown dojutsu. We will probably know what it is later

 

[iSpeak]

Its most likely the original EMS.