Heart Signal 3 (2020)

Both about people in their youths on a trip where they get to spend time together and form friendships/relationships.

Similar concept - participants live together in a house but Love Actually participants are older - most of them are in their 30s, while Heart Signal participants are much younger.

Same concept and structure, but have different panelists and people. Heart Signal 3 is the prequel to this season's (heart Signal 4).