^ I saw on website where fans were speculating that those were cigarette burns.Unknown if self inflicted..... But no confirmation.
The one in the second post appears to be have more of an "Official"/legit look to it, IMO.akb48-daily.blogspot.ca - Kinoshita Momoka starts Twitter - http://akb48-daily.blogspot.ca/2015/07/kinoshita-momoka-starts-twitter_13.html- https://twitter.com/wanderlandlove