It is an app that was made for the gc messenger Facebook named Isekai world app was made by Wix and Go Native and Android App Editor you can review here your facebook name so we can add you to the groupchat. We might add friend you if we can't add you on the group chat because of Facebook issues. Have a good day. All credits goes to there respective owners anime company and the logo for the app. well we do hope this is Fair use.