Can I do a lean bulk when sedentary

For reference I’m 5”9 53.5kg and 175cm 15 male.I have noticed that I am a little skinny so I have been trying to gain weight. As of right now I’m doing a lean bulk of a 200 calorie surplus. I plan to become active in the summer again because I’m an outside person. Is it fine if I do a lean bulk without going to the gym. Also it’s not a dirty surplus I’m getting fibre protein and carbs in a mostly natural way (eggs,greens, meat, rice, potatos