Riho, one of the 3 Avengers, appears to have created an Instagram account.
The account is followed by ex-Morning Musume member Ai Takahashi. And Mizuki Fukumura, current leader of Morning Musume and friend of Riho, liked the post which fans interpret as it being real.
Update: There is a Twitter account, but it appears to be fake. A fan saw that the account was based from Russia.
In good news… the Instagram account has passed 100000 followers in 24 hours.
Her first post: