On Pixiv, this post and several ones after it (by the time this comment was made) use another name, so they might be another series altogether. Though, if we go by the name "Touhou 4koma by naze", then this is still fine, I guess.

Ph.D said:
On Pixiv, this post and several ones after it (by the time this comment was made) use another name, so they might be another series altogether. Though, if we go by the name "Touhou 4koma by naze", then this is still fine, I guess.

The name is "戦国東方". In this case, you can simply name this "Sengoku Touhou". In fact, that explains why everyone wears a simple kimono, they are (Supposedly) in the Warring States period!