Saeki Sayaka

Noun - A character in bloom into you who falls in love with women, particularly Touko, and gets rejected in the end, only to be a huge W because she got her own side novel as a result.

Adjective - a person who's had a same-sex relationship in the past, and after a breakup, vowed to move on, only for them to fall in love with a person of the same gender yet again (chronically and terminally gay).

"Bro, i heard that name fell for crush name"
"Fr? didn't they have this exact thing happen before?"
"She's such a Saeki Sayaka"