Character Relationship Map: Extremely Inappropriate!

Characters

• Ogawa Ichiro / "Jigoku no Ogawa" (played by Sadao Abe) — protagonist
• Inushima Nagisa / "Wan-chan" (played by Riisa Naka) — protagonist
• Akitsu Mutsumi / "Mucchi" | Akitsu Masahiko (played by Hayato Isomura) — supporting
• Ogawa Junko (played by Yuumi Kawai) — supporting
• Sakisaka Sakae (played by Yoh Yoshida) — supporting
• Kurita Kazuya (played by Koji Yamamoto) — supporting
• Inushima Yuzuru (played by Arata Furuta) — supporting
• Yasumori (played by Ayumu Nakajima) — supporting
• Sakisaka Kiyoshi (played by Manato Sakamoto) — supporting
• Inoue Masakazu (played by Hiroki Miyake) — minor

Canonical Relationships

Family, romantic, and professional connections based on plot evidence.

• Ogawa Ichiro / "Jigoku no Ogawa" → Inoue Masakazu (Professional Teacher) — School staff relationship
• Ogawa Ichiro / "Jigoku no Ogawa" → Sakisaka Kiyoshi (Professional Teacher) — School staff relationship
• Ogawa Ichiro / "Jigoku no Ogawa" → Yasumori (Professional Teacher) — School staff relationship
• Ogawa Ichiro / "Jigoku no Ogawa" → Inushima Yuzuru (Professional Colleague) — School colleague relationship
• Ogawa Ichiro / "Jigoku no Ogawa" → Inushima Nagisa / "Wan-chan" (Professional Teacher) — Physical education teacher and student relationship
• Ogawa Ichiro / "Jigoku no Ogawa" → Kurita Kazuya (Professional Teacher) — Physical education teacher and student relationship
• Ogawa Ichiro / "Jigoku no Ogawa" → Sakisaka Sakae (Professional Teacher) — Physical education teacher and student relationship
• Ogawa Ichiro / "Jigoku no Ogawa" → Akitsu Mutsumi / "Mucchi" | Akitsu Masahiko (Professional Teacher) — Physical education teacher and student relationship
• Ogawa Ichiro / "Jigoku no Ogawa" → Ogawa Junko (Family Father) — Single father raising rebellious teenage daughter after wife's death

Story Dynamics

Alliances, conflicts, and narrative interactions that evolve throughout the story.

• Ogawa Junko → Akitsu Mutsumi / "Mucchi" | Akitsu Masahiko (Social Classmate) — Teenage classmates

Story Analysis

A time-travel comedy exploring how societal standards change over time while examining human connection

Plot Progression

1. The Unconventional Teacher — Ichiro establishes himself as a PE teacher with unorthodox methods while balancing single fatherhood.
2. Time Displacement — Ichiro mysteriously travels to 2024, where his past methods clash with modern sensibilities.
3. Cultural Adaptation — Ichiro learns to navigate modern society while his teaching methods evolve.
4. Return with Wisdom — Ichiro returns to his time with newfound perspectives on teaching and parenting.