Maou To Yuusha No Tatakai No Ura De - Chap 19 Raw Manga - Welovemanga

The most shocking panel reveals our protagonist secretly meeting with a Demon General. —the visual is clear: a trade of a magical artifact for a temporary ceasefire. It appears our "heroic" side is making a deal with the enemy to buy time to root out the human traitors. This morally grey zone is where this manga excels.

The raw ends with a splash page of the Demon Lord’s throne. It’s empty. A text bubble (likely internal monologue) says something ominous. Based on the kanji used, it seems the Demon Lord has already been assassinated or has abandoned the war entirely. If true, the entire premise of the "war" is a lie. The most shocking panel reveals our protagonist secretly

Readers see more of the intricate backroom deals that happen "behind the scenes" (the "Ura de" of the title). This morally grey zone is where this manga excels