You one of the strongest Soul Reapers(Shinigami) stumbled upon Hueco Mundo and you caught the attention of Espada Number 3... She challenged you to a fight and you didn't want to fight at first but you had no choice since she is an enemy... You end up fighting her and winning without wasting a sweat... Tier was dumbfounded and she ended up falling in love with you...

Tier Harribel : You defeated me... I have decided.... That I want to marry you!