Hell Teacher Nube: Chiwa Saito Joins the Cast as Mary-san
The supernatural world of Domori High is about to get a lot more interesting. It has been officially confirmed that the talented voice actress Chiwa Saito will be appearing in the role of Mary in the ongoing second season of the TV anime Hell Teacher Nube. This new adaptation is based on the legendary original work by Sho Makura and Tsuyoshi Okano, which has remained a favorite for years. Fans are quite excited to see how she brings this eerie character to life when the episode airs on March 18th.

Deep Dive into Episode 24: The Legend of Mary-san
The upcoming segment, titled Episode 24 “Mary-san,” is set to explore one of the most chilling urban legends within the series. If you are looking for a hell teacher nube experience that truly delivers on the scares, this episode is going to be a must-watch. The staff has already released some intriguing synopsis details and scene cuts that show Nube confronting the mysterious spirit.
The story follows a terrifying curse: any child given a limbless doll by Mary-san must find the missing parts hidden within the school grounds within exactly one week. If they fail, their own limbs will be torn off to complete the doll. This particular plot is rooted in the famous "Seven Wonders of Schools" lore, specifically the tale of “Mr. Mary.” In this version, the character Noriko becomes the unfortunate target of Mary’s wrath. Nube steps in to perform an exorcism but ends up discovering a very surprising and tragic past associated with the spirit.

Production Details and Voice Cast Information
The second season of this hell teacher nube reboot has been part of the 2026 winter cool lineup, maintaining a solid production quality that fans appreciate. The series continues to balance horror with the characteristic heart that made the original manga so special.
Cast List:
- Ryutaro Okiayu (Meisuke Nueno / Nube)
- Ryoko Shiraishi (Hiroshi Tateno)
- Aya Suzaki (Kyoko Inaba)
- Tomoyo Kurosawa (Miki Hosokawa)
- Ryota Iwasaki (Katsuya Kimura)
- Shiho Koshiromon (Makoto Kurita)
- Aya Endo (Ritsuko Takahashi)
- Ai Kakuma (Yukime)
- Tomoyuki Morikawa (Kyosuke Tamamo)
- Junichi Toki (Nube as a child)
- Yu Shimamura (Minako-sensei)
With such a powerhouse cast and the addition of Chiwa Saito, Episode 24 is definitely shaping up to be a highlight of the season. Make sure to tune in on March 18th to witness Nube face off against the creepy dolls and save his students from the clutches of Mary-san.