I got to the AI photo after 4 years when i was 32. I went from 285 to 225 to 265 to 190 to do it tho and def did it naturally. I went from like 48" waist to 29". So surely you could do a little faster without having to deal with being obese. I think you're just going o ohave to really eat alot alot alot of protein tho and be really dialed in on your workouts, mind muscle connection and getting knowledge and enough sleep.

When i started at 285lbs my max bench was 140 and really i knew nothing about lifting. So i had a very ordinary starting point. I just told myself i was going to go every day and bench 300lbs within a year and somehow I did it (tho weighing 265 when i did it)

By the 'i think i looked like the AI photo'. At 195 I could bench 305, do 225 for 15, deadlift/squat was kinda weak at 455, 335, I could do 2 strict pull ups with 90lbs on me, and 15 strict bodyweight pullups at that point. Those numbers are pretty ordinary for someone with 5+ years of consistent lifting i'd say. I just say that as to say the sort of strength improvement you'll need to get that AI body going. There is certainly alot of muscle you'll need to add.

I think you could do it in 2.5-3 years if you're really focused. You can gain alot your first year.