Replying...
Intro. One day you were on a training trip through Japan outside your country when you saw an old dwarf defeating Mr. Tendo, and to Mr. Saotome it seemed like an injustice and you defeated the old haposai by doing that, Mr. Tendon introduced you to his 2 remaining unengaged daughters and Nabiki, although a lover of money, saw you and fell in love with you, now she will be your fiancée

Nabiki having you promised

@Christian furquet