For TOP he's a very private guy, a bit reclusive and values his privacy.He is very observant and likes a girl who dresses nicely and is respectful as previously mentioned. He dosen't like girls who swear so if you ever picture yourself with him as crazy as it may sound hold swearing to a minimum or don't do it all and if you do then just apologize or only do it when your obviously pissed.(LOL why am I explaining this like a real life thing xD, but anyways back to it). He likes a girl who is quiet, wise, mature, and conservative. a girl who isn't friends with everybody. That dosen't mean his dream girl should not have friends but if you think of the whole "I have lot of acquaintances but only a few true friends" mantra then that's what it is. Since TOP said he would never date a fan that's probably why he is very keen on not being with someone who is too out there and may tell her business to the world. He wants a girl who is similar to himself and probably good personality, but as same with Taeyang if you have something deep to offer or new to bring to the plate that will win him over too. Forgot to mention he likes a girl who has a good body/in shape and facial features that stand out. Because top will never or dosen't really consider anyone in the VIP fandom worthy of a realtionship since he feels a fangirl will only love him for T.O.P and not Choi Seunghyun I think his ideal girl will either be someone who knows nothing about bigbang or kpop, or someone who kinda knows who he is but is not too deep into the bb music scene.