Character Profiles

An offgun fic wherein off has a crush on Gun ever since their freshman year in college. Gun on the other hand is pining over his senior and isn't even aware of Off's existence. During their third year, Gun has to do a project and interview a businessman who turned out to be Off's grandpa, Lolo Santi.
Unfortunately for Gun, Lolo Santi is a grumpy old man. No matter how hard Gun tries, the old man wouldn't agree to give him an interview.
When he asked his friends for advice, they suggested that he ask for Off's help in convincing his grandpa to do the interview.
Where would all this lead to?