I am in Kuroinu?
Raw: https://www.webnovel.com/book/i-am-in-kuroinu-(por-longchinchin)_18107265006434905
Author: Long_ChinChin
Synopsis.
An adolescent dies saving a life, he is granted 5 wishes and a destination of his choice to reincarnate.
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I have already got the permission from the original author to translate it and post it.
You can also read it here.