I recently visited Warner Bros. Studio Tour Tokyo - The Making of Harry Potter and had a really great experience overall. The park was beautifully designed, immersive, and truly felt magical for Harry Potter fans. The ticket redemption process was smooth and easy, and the signboards were clear and easy to follow, even for international visitors. The facilities were also very well maintained, especially the toilets, which were clean and comfortable throughout the area. The staff were helpful, and everything felt organized and visitor-friendly. One small downside was that the mobile signal inside the studio could be quite weak in some areas, so internet access was sometimes difficult. However, aside from that, everything else was excellent and enjoyable. Definitely worth visiting if you are a Harry Potter fan!