Sei-jun Ecstasy: XXX Shinai to Derarenai Heya de Mazoku o Buttaoshimasu
Manga Spotlight

Sei-jun Ecstasy: XXX Shinai to Derarenai Heya de Mazoku o Buttaoshimasu

2025 Manga

Ex, a failure of a hero whose holy light has yet to manifest, is ridiculed by his peers. But it turns out to have manifested in his dick! How is he supposed to defeat anything with that?! Even when his town is attacked, his crotch simply glows, and he's unable to do anything! While bearing the weight of these worries, a mysterious shrine appears before him...

Start Reading Read On MangaDex
Sponsored
Sponsored
Chapter Guide

Recent Chapters

Chapter 25: Don’t Let Others Take Hold of the “Sword” that Controls Your Sex Life
2026-06-26
Chapter 24: Lightning Flash Thrust
2026-06-19
Chapter 23: Arriving 15 Minutes Early Gives You Peace of Mind
2026-06-12
Chapter 22: This Isn’t a Request, It’s an Order
2026-06-05
Chapter 21: Yet Another Troublemaker
2026-05-25
Chapter 20: Ass-ertiveness is Life
2026-05-10
Chapter 19: Electric Parade
2026-05-06
Chapter 18: Just one thing after another, this is ridiculous
2026-04-30
Chapter 17: Trouble Maker
2026-04-23
Chapter 16: The Eye of the Storm
2026-04-21
Chapter 15.5: Extra
Volume 2 • 2026-05-29
Chapter 15: Why is there a dick here?!
Volume 2 • 2026-04-13
Chapter 14: The Storm Approaches
Volume 2 • 2026-03-24
Chapter 13: She got a lot bigger!
Volume 2 • 2026-03-19
Chapter 12: Have sex!
Volume 2 • 2026-03-18
Chapter 11: I don’t know many popular songs
Volume 2 • 2026-03-14
Chapter 10: A Dog’s Feelings
Volume 2 • 2026-03-03
Chapter 9: She’ll never forget this, will she?
Volume 2 • 2026-03-01
Chapter 8: Magic to Defeat a Stronger Opponent
Volume 2 • 2026-02-25
Chapter 7: Like a Fly to Honey
Volume 2 • 2026-02-23
Chapter 6.5: Extra
Volume 1 • 2026-04-14
Chapter 6: Your ears really did get pregnant!!
Volume 1 • 2026-02-12
Chapter 5: The Impregnable
Volume 1 • 2026-02-04
Chapter 4: Body of a Kid, Mind of an Adult
Volume 1 • 2026-01-20
Full Details

About Sei-jun Ecstasy: XXX Shinai to Derarenai Heya de Mazoku o Buttaoshimasu

Story

Ex, a failure of a hero whose holy light has yet to manifest, is ridiculed by his peers. But it turns out to have manifested in his dick! How is he supposed to defeat anything with that?! Even when his town is attacked, his crotch simply glows, and he's unable to do anything! While bearing the weight of these worries, a mysterious shrine appears before him...

Genre
Monsters, Action, Demons, Romance, Comedy, Adventure, Magic, Harem, Fantasy, Monster Girls, Slice of Life
Released
2025
Rated
Erotica
Language
id, en, pt-br, es-la
Source
MangaDex
Ratings

Score Snapshot

  • MangaDex: Ongoing
Sponsored
Sponsored
Sponsored
Sponsored
Sponsored
Native app tools ready
Install the app, enable notifications, and keep key pages available offline.