OVA: Egoistic Poriomania

   

Egoistic Poriomania (シュタインズ ゲート 横行跋扈のポリオマニア , Oukoubakko no Poriomania) is the OVA of the anime adaptation of the visual novel Steins;Gate. This is a special episode that is included in the last of the nine Blu-ray/DVD volumes released in Japan.

 The setting is a few months after the end of the anime series. On a calm day in Akihabara, Okabe and the other laboratory members are invited by Feyris to go to America.