What if we tried living together...as a trial run?" Eiko is pushing thirty, but has never once had a boyfriend...until now. The video game fanatic and her extroverted boyfriend, who's six years her junior, continue to clear first after first together as she navigates her first relationship. Now that they've cleared the biggest hurdle of meeting each other's parents and getting their approval, the couple is onto the next step: moving in together! Eiko's excited to take this first step towards married life, but living together turns out to come with plenty of challenges. Why does it feel like she's seeing less of Koigakubo than before somehow? And what are these new, messy feelings that keep popping up?!