Ninja ni Kekkon wa Muzukashii (2023)

Kusakari Hotaru and Kusakari Goro are a married couple living a seemingly ordinary life. Hotaru is a pharmacist and Goro works as a postal delivery man. Unknown to each other, they both come from rival ninja families, the Koka Ninja and Iga Ninja respectively. Despite the hostility between their clans, Hotaru and Goro found love and married. However, due to mundane conflicts like housework and bathroom usage, their relationship becomes strained. When an assassination takes place, Hotaru and Goro are forced to choose between their marriage and their family affiliations.