Kowloon Walled City is a place where time doesn't move straight, and neither does this show, it stacks mystery over romance over slice-of-life until you stop asking what genre it is and just live in it. The 90s art style isn't decoration; it's the show's actual language, all faded neons and cluttered storefronts that make every frame feel like a memory you never had. Adults in their 30s don't usually get to be the center of an anime's world, and Reiko's quiet search through Kowloon's hidden stories trusts you to sit with ambiguity instead of wrapping everything up, which means the ending isn't incomplete, it's honest.

Reiko Kujirai, a 32-year-old realtor, lives and works in the Second Kowloon Walled City, a dystopian place of flickering lights, damp alleys and crowded streets whose residents feel a fond nostalgia for it despite its squalor. She is in love with her coworker Hajime Kudou, two years younger, and the pair enjoy the city together despite their differences. When a half-asleep Kudou kisses her and then admits he took her for someone else, Kujirai is pulled into events that point toward a past she cannot recall. The series blends romance, mystery, drama and science fiction with slice-of-life moments.