“Hey you, Livestock, I need a subject for my alien probe” are not words Haesung expected to ever hear. He spends his days spacing out, hopelessly fantasizing about being tied up by his office crush, Shiwon. But his secret BDSM fantasies come to life as a brutally sexy alien crash-lands on Earth and ropes in Haesung as his research subject (and roommate). Things heat up when Haesung submits to the experiment—in exchange for sexual favors that are out of this world!