Gain weight after losing weight from a rough period

Hi! I had a rough period and I lost 10kg. I am starting to er better and starting to treat mysel. I really want to go back up 10kg, but this time in a healthy way. I will go to the gym and build muscles. I have a protein shake named “Serious mass gainer.” But I am bad at eating, I don’t really have appetite. I am a 17 year old girl, 160cm and 47kg. My goal is 55kg. I am not interested in building a lot of muscles on my upper body, just my leg, thighs and my “ass” lol, sorry english is my 3th language. But how long will it take for me to go up 7kg up? What should I eat and how many times? What exercise makes my thoughts and “ass” thicker but not getting upper body muscles. If anyone is interested in helping me I will surly send a picture of my body and what I want my body to look like. I know that I should get a personal trainer and stuff like that but my parents is cultural and they be like “as skinnier as better” and I am not allowed to let a person trainer. And my account has like 20$.

submitted by /u/Reginalatin
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