Tentang
Renko's mother who is proud of her J-cup sized boobs. She is surprisingly childish, clumsy, and stubborn compared to her appearance; despite this, she cares a lot for her daughter.
Reiko is actually a scientist who crafts Murder Maids, killing machines like Renko and Reiji, and thinks that Kyousuke has tainted Renko - whose sole objective is to kill - which is why she challenges him during the school athletic festival.
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