Keima treats dating sims like scripture, then gets dragged into actual romance where his flowcharts mean nothing. The show's real trick isn't the demon premise, it's watching a guy who thinks he understands women get completely schooled by the fact that real girls have actual wants. By the finale, you realize it's been slowly building something genuine underneath all the comedy, and that's the only conquest that actually matters.
Keima Katsuragi is unbeatable at one thing: dating simulation games. In the virtual world, he conquers every romance route with calculated precision. Real life, however, remains hopelessly out of reach. His reputation as a gaming otaku makes actual human connection feel impossible, and he prefers it that way. Everything changes when a demon girl named Elsie materializes in his room with an outrageous proposition. Loose spirits are possessing young women across the city, and she needs someone with Keima's romantic expertise to help extract them. The catch: the only way to purge a possessed girl is to make her fall genuinely in love with him first. Keima finds himself forced into the real world he's spent years avoiding, armed with nothing but his gaming instincts and Elsie's supernatural support. As he helps girl after girl, the line between his calculated game strategies and authentic human connection starts to blur. What begins as a comedic scheme becomes something far more complicated, where romance isn't just about following the right dialogue choices anymore.