Chains of Heart by TJ Tommys

The love story of a cowherd and his beloved weaver boy, who will meet again on the 7th day of the 7th month.When a young forestry officer, Din, gets involved with a gang of illegal smugglers, it causes him and Ken, a young man who has been in a relationship with him for more than seven years, to be chased away. They're both cornered and fall from a steep cliff.

After several months, Ken wakes up but without his lover by his side.

As the years go by, things start to go awry when someone appears and has a resemblance to his former lover. The old memories return and now circle around him. Ken begins to suspect that Din might not be dead, and that Din might be this new person.