Japan's Mitsubishi Motors, a junior partner of Nissan Motor, is considering not joining a planned merger between Nissan and Honda Motor, sources told Reuters on Friday. Mitsubishi Motors plans to remain listed while continuing its cooperative relationship with both companies,

Mitsubishi is thought to be concerned about its management freedom, as the future of Nissan’s management restructuring is not clear.

Nissan was deep in the trenches, with its existence at stake, but Honda's timely entry gave it a positive direction. Here's how everything went down.