OKD-013 - My Mom's Affair with My Best Friend Drove Me Over the Edge

After divorcing five years ago, Setsuko finds a secret lover in her son Satoshi's best friend, Masao. Not satisfied with just him, she leaves a recording of their illicit encounter in Satoshi's room, intentionally fueling his jealousy. Driven by a twisted obsession, Satoshi finally confronts his mother in her bedroom that very night.