Alright so.. I'm a sophomore in college and I have a friend who goes to the gym around the same time that I do every day.

He is a senior (4th year in college) and pretty massive. He has been working out since freshman year (3.5 years of working out).
Height: 5'6"
Weight: 190 lbs (low body fat.. still has 6 abs)
Arms: 19 Inches
Waist: 32 Inches

Some lifting stats (I spot him occasionally):
Barbell Bench: 295 lbs for 9
Shoulder Press (Arnold style with dumbbells): 95lb each hand for 8
Leg Press: 1300 lbs for 12

About two months ago he started getting bad acne. 3 weeks ago his really bad acne went away and he started to get stronger. His bench wasn't even at 275 for 10 then, now its at 295 for 11 IN ONLY 3 WEEKS WTF.

I definitely think he was on a PCT when his acne came.

Is this even possible naturally? 20lbs on his bench in 3 weeks after he has been plateaued for almost 1 year.

Is he on AAS or is this possible naturally?

Oh and to complicate things, he has horrible genetics (he is ASIAN, usually not typically big) and his diet is terrible, eats cheese burgers all the time.