Instincts

Set in present day: Inu's mom and Sessho's dad get married making them step-brothers all of a sudden(or are they...) this was something they weren't expecting at all esp after a previous encounter & its obv how much Sessho hates it. However can they pretend to act as a happy family when the two are forced to hide a big secret that may ruin the family. MPREG. YAOI