Halskell

High school teacher Haruo Nemoto is disliked at school for being boring and taciturn. However, deep down, he's a man of justice who cares more about his students than anyone else and wishes for their youth to shine. And he has a secret ability, when his "manhood" rises, he becomes invisible. Using…

• Format: MANGA
• Genres: Comedy, Ecchi, School Life, Shounen

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