堀木 / Horiki

堀木 / Horiki is the older, vulgar Tokyo acquaintance who pulls 大庭叶藏 into drink, sex work, performances, and leftist student circles in 33.人间失格：胆小鬼的壮烈献祭. The episode treats him as an urban drift figure whose appeal is practical: he handles social situations that Yozo cannot manage.

That practical usefulness is also corrosive. Horiki lets Yozo step outside school, family, and official ambition, but the escape becomes dependence, debt, intoxication, and moral self-disgust. Later, Horiki’s return helps trigger the collapse around 豪子 and participates in sending Yozo to the mental hospital.

Key Claims

• Horiki gives Yozo a way to move through urban life, but not a way to live truthfully.
• His “bad friend” function is less melodramatic than systemic: he supplies shortcuts around social fear that deepen the underlying failure to belong.
• He links Yozo’s private alienation to nightlife, politics, money, addiction, and public illegality.

Connections

• 大庭叶藏 - dependent companion.
• 《人间失格》 - source novel.
• 太宰治 - author whose biography the episode says overlaps with leftist movement and social drift.
• 正常性强制 / Coerced Normality - ordinary order Horiki helps Yozo evade without resolving.
• 信赖作为道德风险 / Trust As Moral Risk - concept intensified after Horiki reenters Yozo and Yoshiko’s marriage.