Lost and Found

In both dramas female lead (Wen Mo Yan) and male lead (Shen Hao Nan) are same. The Fl and Ml chemistry was good.
Both dramas are short length dramas...

Both are mini dramas in which one of the leads approached the other to take some object, but ended up genuinely falling in love. Both FLs were pregnant when they left and ML has a son he doesn't know exists. Both FLs have amnesia when they reunite with the ML.

In both dramas, the kids are the main driving force among other factors in bringing the leads together.

mainly the fact that both shows have the couple in love that breaks up and then years later meet again with a child the ML in not aware