Read manga: Nejimaki Shoukougun

manga
Other name: Wind-up Syndrome
Artists: UMEKI Chii
Status: completed
Latest chapter: Chapter 1 : Oneshot
Updated at: Aug 25, 2019
Summary:

Certain people suffer from a mysterious disease which causes a wind-up key to appear somewhere on their body. The key has to be wound regularly, otherwise they will stop moving. Miku’s parents, who suffer from this disease, are captured by the authorities, while Miku escapes into the town to seek help from a mysterious boy called Kuro.