It was revealed in Season 3 that Luka was truly in love with Marinette, and that Kagami was truly in love with Adrien. At the end of the season, Marinette ended up with Luka, and Adrien ended up with Kagami. Okay, so there you have it. Season 3 revealed that Luka was truly in love with Marinette, and that Kagami was truly in love with Adrien.