Mermaid Akihabara Concafe is a cosplay cafe in Akihabara where customers talk with cast members dressed in mermaid-themed costumes. Cute outfits and mermaid-themed decorations fill the space, and the cast members speak to guests in a cheerful manner. Staff stationed at the entrance guide visitors, and the interior is relatively spacious with clean restrooms. Even on a first visit, staff and cast members speak to guests first, which eases any nervousness.