wanna see him as an assassin or a spy with double life..
i would also prefer if he plays two role in a drama like he's a geeky teacher whose in real life is part of a mafia or a high-paid assassin something like that then a romance should be present because it will make it more interesting ^^
and for his love interest it would be great to see him working with someone he haven't worked before and hope they'll matched the female role with him ..
i mean shorter girls would suit him more heheh