TV-Series
Description
Nozomu Itoshiki is a high school teacher defined by his profound negativity and pessimism, repeatedly exclaiming "zetsuboushita" ("I'm in despair"). His very name symbolizes despair ("zetsubou") when written horizontally, a trait echoed in his family members' names.

Appearing slender and pale in his early twenties, he consistently wears a kimono and hakama with geta sandals and socks, complemented by round glasses. A white dress shirt sometimes layers beneath his kimono. His black hair and green eyes are distinctive. He only adopts casual Western attire within his hometown.

His pervasive despair originated from inadvertently joining a "Negative Club" during his first high school year. He repeatedly survives improbable suicide attempts, like disintegrating in a hot spring only to reappear, gaining the supernatural ability to see the deceased as a result. He keeps a "Suicide Partners" notebook listing potential companions, such as his student Kiri Komori, and actively resists family pressure to marry.

As homeroom teacher for Class 2-He, he subverts conventional education, transforming career goal worksheets into exercises highlighting "despairs" and unattainable ambitions to disillusion students about societal expectations. Despite his nihilism, he exhibits a latent yet tangible concern for his students, engaging with their eccentricities, though his actions typically backfire and cause misunderstandings. Several female students develop romantic feelings after misinterpreting his statements during their introductions.

His family background includes prominent figures like his brother Mikoto. Their interactions feature satirical rituals, such as an arranged marriage ceremony ("miai") where eye contact instantly formalizes unions—a commitment he skillfully evades, demonstrating his lifelong avoidance of direct engagement.

Throughout all seasons and OVAs (*Zoku*, *Goku*, *Zan*, *Bangaichi*), his character remains steadfast in despair-driven antics. He endures life's absurdities, from Comiket excursions involving literary doujinshi to critiques of societal norms like celebrity culture. His resilience against challenges, juxtaposed with melodramatic despair declarations, forms his enduring presence. The narrative maintains loose continuity, prioritizing episodic social satire over linear development, with his core traits and relationships persisting consistently.