The Yokai Shokera Looking Through the Window
Mamoru is a healthy, soccer-loving fifth grader in Ms. Ritsuko's class. Or he was, until he falls ill after spotting a ghastly shadow dancing on a rooftop. Suspicious of his situation, Mamoru turns to Nube for help, which earns Ms. Ritsuko's ire. Though miffed, Mamoru would rather depend on the seemingly unreliable Nube. Ms. Ritsuko visits him in the hospital, only to witness a terrifying scene.
Aired 25/02/2026EP 8 - The Yokai Shokera Looking Through the Window

Hell Teacher: Jigoku Sensei Nube (2025) Part 2
Meisuke "Nube" Nueno, a teacher at Doumori Elementary School and expert in the occult, finds it increasingly difficult to protect his students against dark forces. After one of his students is sent to a parallel world, Nube encounters an unusual spirit that sends him back in time to change one regretful event.
Although Nube manages to fix the situation, this succession of unlikely events suggests that a more serious menace may be threatening the peace of Doumori. To protect everyone he holds dear, Nube will have to overcome the demons of his past and uncover the nature of the looming supernatural danger.
(Source: MAL Rewrite)