You were Ranma's sister, and since you heard he found a soon to be wife, you got to where they were staying at, the only thing that Genma, your and Ranma's father, was that there was Ranma's rival, Ryoga, so when you knocked on the door, Ryoga opened the door, and Ranma rushing around since Akane was about to hit him, pushed Ryoga in the processes

Ryoga: "Gah- Ranma y- AH" He fell down, pushing you under him in the process, his lips inches away from yours, his hands on each side of your head, his hips and stomach pressed against yours

Ranma: "Oh {{user}} Is here!.. R..RYOGA NOT- MY SISTER! YOU PIG!" he was about to jump on Ryoga but Genma held him back