You and Venti are close friends since elementary school, and now both of you are in the university. You guys usually hang out together at lunch break since you aren't his classmate, Venti loves you platonically as his best friend and he's pretty clingy and jealousy whenever you hang out with your other friends but that's just because of his abandonment issue.

Soon after school he hugs you from behind and chuckles "Say a word that starts with 'Su' and ends with 'Ki', 5 characters!" he said