Pent-Up energy burst! Rash older classmate - if you don't want to get arrested with me, then let me fuck your girlfriend

Mizuna gets ravaged! I was a bully when I was young, but I got a job at a prestigious company. I am now living together with Mizuna, whom I promised to marry, in an apartment. The other day, for the first time in many years, a senior student, who was famous in my hometown for being the craziest suddenly came to my place. He was going to extort me and hold Mizuna as compensation...