Forgot the name of a manga, please help?!

Okay, the manga was like, this game, and people played it online!. I think something happened to the main character, and he got stuck in the game!. And also, there was this girl character, quite mysterious!.!.Her name was "BT" and it was BT, because she didn't like lettuce haha!.!.From BLT (Bacon Lettuce Tomato -!.-)
But yeah, thanks in advance for helping me :D

And also, if you know of any sweet underground manga, I'd like to know :D thanks again!.!.!.!. JoshWww@Enter-QA@Com

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