If you are looking for the manga content, deals with the aftermath of Kaede Domyoji discovering Tsukushi living in her home.
If you mean the individual chapter, it features Tsukasa and Tsukushi getting stuck in an elevator, forcing them to spend uncomfortable alone time together.
To protect her friends from her mother-in-law's wrath, Tsukushi agrees to stop seeing Tsukasa. Hana Yori Dango Episode 21
Jan Di and Jae Kyung (Jun Pyo’s fiancée) have a heart-to-heart about their feelings for Jun Pyo. Jae Kyung is preparing to walk down the aisle, but tension peaks as it becomes clear the groom isn't ready.
The anime is available for streaming on Crunchyroll and the Roku Channel. Manga and Volume 21 If you are looking for the manga content,
This episode focuses significantly on So Yi Jung and Ga Eul. Yi Jung tracks down his first love, Eun Jae, only to see her happily with his brother, leading to a heartbreaking realization for him. Where to Watch: You can find the full series on Netflix . Anime Series (1996–1997)
Because Hana Yori Dango (Boys Over Flowers) has several famous adaptations, Episode 21 refers to different pivotal moments depending on the version you are watching. Jan Di and Jae Kyung (Jun Pyo’s fiancée)
The anime version consists of 51 episodes, and Episode 21 marks a critical turning point in the F4 dynamic. "Night of Betrayal".