Youkai Gakkou no Seito Hajimemashita!

Chapter 22: Izuna and Rintarou (Part 6)
Chapter 21: Izuna and Rintarou (Part 5)
Chapter 23: Izuna and Rintarou (Part 7)
Chapter 21: Izuna and Rintarou (Part 5)
Chapter 23: Izuna and Rintarou (Part 7)
The side-story of "Youkai Gakkou no Sensei Hajimemashita", set 1 year before the events of the main story, following Maizuka Mamekichi's first year at Hyakki Academy.Serialized on Pixiv Comic.
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