In general, the sister is the real monster and only. the DNA test showed that they re not relative so the brother is actually a prey instead of the same kind as the sister. The thing is actually confidential here is the brother's father seems to know something.Waiting for the next chapter
Thanks so much for translating this manga, i really really appreciate that.Hope you can keep continuing do your good job!! By the way, your translation skill is so good.
as the page say the other two friends dont have any female girls before, so we can consider that this arc's started before arc1 and arc2 even start. As we informed from arc 1 and 2 that the mc arc3 doesn't have any girlfriend as well as boy friend, so we can predict for sure that the mc arc3...