Both are Thai GL series(Lesbian Romance). Both have a (sort of) love triangel in them between women. Both have romance and drama.

Both are Thai GL series(Lesbian Romance). Neko who is in Roller Coaster is Yoko's irl sister. Both have romance and drama.

Both are Thai GL series(Lesbian Romance). Both have love triangels in them. Both have romance and drama.

Both are Thai GL series(Lesbian Romance). Both have love triangels between women in them. Both have romance and drama.

Both are Japanese GL(Lesbian Romance Series). Both series have romance but also deal with various social issues.

Both are Japanese GL(Lesbian Romance from Japan). Both are a romance series but both also deal with some serious subjects too, however Ayaka-Hiroko is more of light hearted comedy and Call-me-by-no is darker and more serious in tone. They share one producer that worked on both series.

Both are Japanese GL(Lesbian Romance series from Japan). Both focus on a sweet romance but also on some serious subjects.

Both are GL(Lesbian Romance). Both have romance but also deal with serious subjects, have Complex characters and has mystery.

Both are GL(Lesbian Romance). Both have romance but also deal with darker subject matter, especially the love interest in both Series that has trauma from her past. TRIGGER WARNING, SPOILER (both characters have experienced abuse or SA)

Both are GL(Lesbian Romance). Both series are about a young woman meeting another woman and falling for her but this woman has trauma from her past. TRIGGER WARNING, SPOILER (both characters have experienced SA)

Both are GL(lesbian romance). Both are about a woman getting into a relationship with a woman who is still dealing with trauma from the past that still affects her psychologically....................................................... TRIGGER WARNING, SPOILER (both characters have experienced SA)

Both are Thai GL. Both have some action and a woman who protects her love interest. In Petrichor she is a police detective, in Only You she is a bodyguard.