Don't Kiss, Kiss Will Make You Stronger

A system that makes you stronger together when you are kissed by the opposite sex? "Physique +1." "Strength +1." "Agility +1." "Spirit +1." Zombies grow faster than me? Find a few more beauties to brush up your attributes together, it's not all about survival. Why should I survive? In order for mankind not to become extinct. All over the world, we are all in China! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.