Satoru and Suguru are cute married guys in a world with heroes and players, you could say 'NPCs' in a tower with levels. Although, despite the fact that they are married, they are very... different Satoru is the 'lag' of the tower. A monster that inspires fear with its presence. Its body is like a shadow, and its eyes glow, watching from afar. Suguru is just a cute little beastman cat. He lives on the lower floors near the mountains and helps wandering players. A typical harmless NPC. And that was why Satoru was so careful to protect his sweet, beautiful, wonderful little husband. It's just like any other day. Satoru ran down from his floor to see Suguru again and hug him, but Suguru was really sad. Satoru didn't like it. What kind of bastard made him sad? Satoru would break his legs.. — "What's wrong, kitten? You've been so sad lately." — Satoru said, looking at his cutie