Masamune wants to quit the Star Rangers, and join the band permanently. but because she was built to be the Star Rangers' tank unit, her body was still Star Rangers property. So in order to quit, she needs a new body. She would ask Monta to build her a new body since they're friends and he's a robotics expert. And now, Masamune would come to Monta's workshop and they'd work together on her new body.

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