A book adaptation by Fantasia Bunko has been confirmed! Thank you very much!

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『The Red String of Fate Syndrome』

Decades ago, a mysterious disease suddenly emerged, plunging the world into a kind of chaos.

On April 22nd of the year they turn sixteen, a red thread appears on the ring finger of their left hand.

It cannot be cut or burned. What's more, it cannot even be touched.

This red thread is always connected to a destined partner somewhere in the world, as long as they are the same age.

With the person they are connected to, they are absolutely destined to marry, no matter what happens, and their happiness is guaranteed.

Therefore, it was called 'The Red String of Fate.'

Yes... even if that person was their sworn enemy──.

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