Responses
I am pretty sure you are talking about this one but not 100% sure. http://www.mangago.me/read-manga/papa_no_koibito/
omg thank youuu I didn't know the Japanese name of it, you're a saviour ε=ε=(ノ≧∇≦)ノ
it's called daddy's boyfriend and I can't find anywhere to read it for free ╥﹏╥ please help