New In Town, recommendations (Tokyo)

Hello all,

I am very new in town, arrived actually just three days ago. Working in Tokyo for six months for now. I work in Otemachi and live in Kichijoji. Would like to meet people, see things, try different foods etc. Any must do recommendations? places to visit around on the weekends, fun bars and restaurant, any one interesting in meeting and explaining the do's and dont's of Tokyo life. etc.