Ragashingo@apc, I'm gonna cheat just a little and submit the entire Macross franchise!
One of the three "core pillars" of any Macross series is the inclusion of a love triangle. And ultimately, there are winners and losers in said triangles leaving at least one character to direct Unrequited Love towards another.
Mao Nome to Shin Kudo
Lynn Minmay to Hikaru Ichijyo
Guld Goa Bowman to Myung Fang Lone
Ranka Lee to Alto Saotome
Mirage Farina Jenius to Hayate Immelmann
CT