Harem route you can't avoid, unfortunately, well, you can to an extent, but you still have a harem with Melissa and Megan and that you can't avoid, other girls you can stop dating. But, since harem is kind of forced on you, might as well check where it goes with all girls, haha, but Melissa is the #1 and when it comes to it, if it comes to it (maybe she decides that the situation is too much for her or she and MC are too different or whatever), I'll choose Melissa, out of all the girls in the VN, she's the one closest to my type, although she could be just a tad bit more like Megan personality wise, or at least appreciate romance more and be more forward with feelings, but then again she's never had any of that before so it's news to her, hopefully she'll grow to it, then she's absolutely perfect