MAID CAFE is one of the places you must visit in Akihabara, Tokyo. In Maid Cafe, waitresses wear maid costumes, and act as servants. And you are treated as masters/mistresses. This is Maidreamin, one of the popular Maid Cafe in Akihabara.
Maidreamin in Akihabara
1-15-9 Sotokanda, Chiyoda-ku, Tokyo
Maidreamin has their shops in Tokyo, Nagoya, Osaka and Thailand