Taikutsu Kirai no Fūinjutsuji: Kangoku de Tamatama Aibeya ni Natta Jii-san ga Sekai de Yuitsu no Fūinjutsushi datta no de, Himatsubushi ni Deshi ni Nattemita (Associated Names)

“If I put my life in a notebook, it would end in one page.” Seal, a young man in prison, had spare time. Closed space, unchanging scenery. Every day he read books inside the prison cell. A boring life that made him feel like he was going insane. Then, a newcomer came to his prison…