I wandered around Thonglor and came across Rakuza in the area called "The Grass." Something about this place lured me inside without even looking at the menu first. Turned out, it was a Japanese fusion place. The atmosphere of the restaurant was more like a grown up place, this is definitely a perfect place to get away from the lousy teenagers.
I forget what these were but everything was extremely delicious! The service was amazing, very friendly staffs including the Japanese head chef there. I gotta go back to this place!