Ep. 9: Ruirui memanggil Kouzou dan teman-temannya ke kastilnya, sementara Komachi bertugas sebagai putri pelayan senior Mayutama.

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Ruirui, the king who rules over another world, calls Kouzou and his friends to his castle while they are building a hot spring town. Komachi, who stands by Ruirui's side, is Mayutama's senior errand princess. And Rui Rui seems to have some sort of purpose...