- Yosuke Sugino (Anonymous Noise) as Hiiragi Natsume, Uehara's stylish and handsome classmate
- Itsuki Sagara (Three Dads) as Rin Nanase, the manager of Daichi's school organization
- Maryjun Takahashi (Rurouni Kenshin: Kyoto Inferno) as Saeko Kumanomido, a researcher at Uehara's university
The upcoming 10-episode series will premiere on Fuji TV on-demand and on Netflix on September 22nd. It is still unknown when will the series premiere on international Netflix.
[Source: Anime News Network]