![Seijirou Sugishita](https://img.flawlessfiles.com/_r/400x400/100/70/84/70849cdf835b05ca5723a22226501a2e/70849cdf835b05ca5723a22226501a2e.jpg)
Seijirou Sugishita
杉下清次郎
Jun'ichi's teacher. While strict with regards to academics, he has a rather eccentric personality, especially towards Jun'ichi.
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Akane Iro ni Somaru Saka
Supporting (Role) TV -
Akane Iro ni Somaru Saka Hardcore OVA
Supporting (Role) Special
![Koyama, Rikiya](https://img.flawlessfiles.com/_r/100x100/100/77/7a/777a5a45defecb4d7ded05ec9f4774d6/777a5a45defecb4d7ded05ec9f4774d6.jpg)
Koyama, Rikiya
Japanese![Kim, Seung jun](https://img.flawlessfiles.com/_r/100x100/100/f6/36/f636890ad71c5a762200baa90b5b0eff/f636890ad71c5a762200baa90b5b0eff.jpg)