Yuusha Shoukan Ni Makikomareta Kedo, Isekai Wa Heiwa Deshita Raw [upd] -

The protagonist, Kaito, gets caught in a hero summoning by accident. He expects war, chaos, and suffering. Instead? The world is peaceful. The demon lord is friendly. The kings are reasonable. It becomes a slice-of-life, comedy, and slow-burn romance story.

The series follows Kaito as he spends a year in this peaceful world before he can return to Earth, eventually building deep bonds with high-ranking beings like the "Six Kings". It is primarily a story known for its "fluffy" and heartwarming atmosphere. The protagonist, Kaito, gets caught in a hero

The author, (藤堂), publishes Isekai wa Heiwa deshita on Shousetsuka ni Narou (小説家になろう) — Japan’s largest Web Novel platform. The world is peaceful

There is a specific fatigue that sets in after reading dozens of Isekai titles. You see the title, you expect the grind, the harem politics, and the Demon King. Yuusha Shoukan ni Makikomareta kedo, Isekai wa Heiwa deshita (let's call it Yuusha Heiwa for short) takes a sledgehammer to that expectation and builds something thoroughly enjoyable out of the rubble. It becomes a slice-of-life, comedy, and slow-burn romance

The story kicks off with the classic trope: a high school class is summoned to another world to defeat a Demon King. However, the twist is revealed almost immediately—the Hero Summoning was a ritual conducted by a kingdom that got a little too paranoid. There is no Demon King. The world is already at peace. The "War" was generations ago.

The site is 100% free. No paywalls. However, it is in raw Japanese. You will need to read it as-is or use browser translation.