Inside the Cave of Obscenity - Vol 5 Chapter 7: Decisive Battle 4

Gods and demons are everywhere in the Grand Desolate World.

With a square halberd in the palm, and a red rabbit and horse under him, nowhere can the world go!

- Description from novelbuddy

A high school boy meets an unfortunate end by a well-meaning but bureaucratically incompetent god. As an apology for his accidental demise, the god offers him reincarnation in a fantasy world—complete with a powerful cheat to ensure his survival. However, due to a small clerical error, our protagonist is reborn as a girl!Determined to make the most of her new life, she boldly declares, “Give me the strongest weapon imaginable!”—only to be granted… a harem of overly devoted female soulmates?!Now, stuck in a medieval world filled with magic, monsters, and gorgeous women vying for her affection, she must navigate her bizarre fate while somehow becoming the legendary hero she was meant to be.Will she ever find a way back to her original body? Can she survive this world without succumbing to yuri-fueled chaos? And most importantly… does love truly conquer all?!One thing’s for sure—her adventure is about to be way more complicated than she expected.

When I cleared the final chapter of a game that was a national failure, I became an unnamed side character in it.

A non-standard, unmeasurable, EX rank supporting character.