I Have a Pain System and Want Sweet Love

[Daily life, love, campus, system] Just like girls who have a few days every month, Kitai Kawanichi who got the system will get sick every month. If you want to be prominent in front of others, you have to suffer behind others. At night, Kitagawa covered his face and shouted. "I'm going to die. Why does this toothache hurt so much?" Toothache is not a disease, it hurts really badly.