Onde Seus Olhos Se Prolongam (2020) and Para Minha Estrela (2021) have same character Kim Pil Hyun by Jeon Jae-yeong. And both series are directed by same person, Hwang Da-Seul.
All episodes of season 2 has additional scenes in the end.
Para Minha Estrela (2021) is referenced in Florescer (2022). One character says that she want to film a love story between an actor and a chef. Both are directed by same person, Hwang Da-Seul.