第12話: 先輩と友人たちが宇宙船の修理部品を探している際、異星の惑星で立ち往生し、謎のドームを発見する

Marimo and her friends are trapped on an alien planet when their spaceship breaks down. While searching for the rubber band they need to repair their ship's engine, they come across a strange domed structure. When they open the door, they find a shocking surprise waiting for them. (Source: Crunchyroll)

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