How do harem protagonists have some muscle when I pretty much never see them lift? Why aren't they skinny dyel fags?
Because they'll become sexually desired, and one who is sexually desired has the body to go with it.
I'm sure seeing an attractive (or even wished for) figure keeps both male and female fans reading
Plenty of harem leads also work out.
He does run and do simple calisthenics.
Jesus fuck people, there's a difference between lifting and looking like you lift, and working out to have abz 4 da girlz.
The latter takes considerably less effort.