A hero is reincarnated as a girl and becomes a yandere canary

“As long as I break your wings, you won’t go anywhere dangerous ever again, right?”

…

In my previous life, I was the hero, Rhein—who knew only how to wield a sword and slay the Demon God.

In this life, I have been reborn as Shier, a silver-haired girl of peerless beauty—but with a frail and fragile body.

To reclaim the glory I once had, I drag this delicate body onto a journey.

And at my most desperate moment…