Where Your Eyes Linger

Also Taiwanese but has the same kind of formatting and story telling. Both of them are slow romances with exes who pop up unnecessarily

Both are BL mini dramas with a similar feel in the relationship between the MLs. One of them faces anger from a parent who forces them apart, and both dramas end with the couple's reunion in another place after time apart.

Both are LGBTQ+ drama's set in South Korea.
Both of them also have an actor, Jang Eui Soo, in common.

Both are short BL dramas. WYEL is a Korean BL while WBL is a Taiwanese BL. Both have male students falling in love and have rich parents who disapprove of their relationship.