Upgrading My Relationship With the Big-Boobed Succubus

As Sou finishes another long day at work, a persistent colleague corners him with an invitation to grab drinks. Eager to escape the social pressure and retreat to the privacy of his own home, he quickly fabricates a convenient excuse, claiming he needs to hurry back to care for a stray animal he recently took in. The hasty lie is enough to satisfy his coworker, allowing Sou to slip away unnoticed into the evening commute. However, his excuse is only half a fabrication. Sou genuinely did take in a stray, but the creature waiting for him behind closed doors is far from an ordinary pet. Instead of a lost cat or dog, his new housemate is something entirely unexpected—a succubus who has somehow ended up under his roof. Now, Sou must navigate the bizarre reality of living alongside a supernatural being while maintaining a normal facade during his daily life. Balancing his mundane job with the extraordinary secret hidden inside his apartment proves to be a delicate challenge, as the true nature of his unusual companion threatens to complicate everything he thought he knew about his quiet routine.