Another story about love is the love triangle between Lancer and Master, just like his tragic story before his death. (So the Marine Corps is lucky. E= =)
Ye loved infinitely, but she married Chen. Another tragedy.
Caster has endless love for Joan of Arc, and seeing Joan of Arc has become the reason for him to come to this world again, and Cybertron is constantly showing his love as Joan of Arc.
Archer finally forced Saber to get married (fate stayed overnight and forced her to get married again). But whether this is love or not is debatable.
There seems to be nothing else. . But everyone seems to like that Webber (Princess) and Ryder (Great) are gay. Ahem. YY, on your own. What else can YY be? Ellie and Saber Lily, Yili and Jin Shanshan NTR, Yili's insistence on cutting heirs, Caster and Ryunosuke.
Anyway, Lao Xu is a "warrior of love". The world is full of love.