My Sickly Little Sister Is So Clingy

I'm a huge siscon, but I don't have a little sister. What should I do?

No problem! Just transmigrate!

But what if, after transmigrating to another world, I discover that my sister and I were enemies in our previous lives?

Well, that's awkward!

After spending all these years raising my little sister, this is what I get? Are you kidding me?

Sigh! Looks like I'll have to give up on my sister conquest plan.

Yeah! I'm definitely not going to bother with this enemy from my previous life!

The declaration of a super siscon brother who refuses to admit it

This is the revised edition of Reincarnated Feud Between Me and My Brocon Sister.