Where Your Eyes Linger (2020) and To My Star (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.
To My Star (2021) is referenced in Blueming (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.