Sore ga Seiyuu!: Petit Uchiage (それが声優！ 特別編「プチ打ち上げ,Sore ga Seiyuu!: Petit Uchiage?) is a special episode bundled in Blu-ray Disc & DVD Vol.7 released on March 23rd 2016.
After one of Earphones' events ends successfully, Futaba, Ichigo, and Rin get a day off by taking a break at Ryugujo Spa Hotel Mikazuki. There they get really excited about how big and nice the hotel's onsen is. Futaba and Ichigo decide to teach Rin about how to have fun at an onsen, due to her never participating in any school field trips because of her work. Later at a souvenir shop, they find some mascot keychains. Ichigo is shocked by the weird design of one of the keychains while Rin picks it up and gives it a cute voice to make it cuter. Ichigo and Futaba pick up other keychains and give them voices to start playing a story. Two children in the shop start smiling and decide to watch them play. They enjoy the play and would like to know how the story ends. The scene catches the attention of the hotel staff and the manager decides to ask the three of them to hold a mini concert at the hotel. After discussing it, Futaba, Ichigo, and Rin accept the offer to do the show for making the hotel customers happy. What will happen to this sudden concert?
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