Ichirou Sakaki: 4 books

Yukinari Amano loves guns. After reincarnating into another world, the young man goes on a journey with Dasa, the younger sister of the girl who gave him a second life. However, while on the road, the pair are attacked by a local deity—an "erdgod." No normal person could possibly defeat one—so...

In Yukinari’s town of Friedland, a resident suddenly dies a mysterious death. At first, it’s thought to be a murder related to the recent battle... until people find out that there was an eyewitness. Yukinari decides to handle the investigation himself, only to find the words “Amano Yukinari”...

In Friedland, there’s a new god in town: Yukinari Amano, who now keeps the area safe from the terrible creatures that routinely attack it. In hopes of raising Friedland’s standard of living, Yuki decides to open trade negotiations with another village. However, this seemingly simple task leads...

Yukinari has created a viable system of agriculture for Friedland, and the town once reliant on their erdgod's whims looks like it might finally be able to thrive on its own. Yuki seems content to settle down at his sanctuary along with Dasa, Berta, and Ulrike, the erdgod from Rostruch, when a unit of the Missionary Order arrives in town with mercenaries on their heels.