Real estate agents Reiko Kujirai and Hajime Kudo work in the nostalgic Kowloon Walled City. As they spend more time together, Reiko’s feelings for Hajime grow. But when she finds a photo of him and his former fiancée, she’s shocked to see the woman looks exactly like her. Reiko then realizes a chilling truth: she has no memory of her past.

[Source: Crunchyroll]