RE Amemiya, a well-known rotary specialty store, is often consulted by middle-aged and older car enthusiasts. The Mazda "Familia Van" presented here was also a request from an owner who fondly remembers those days. The project started with the owner's strong desire to have a rotary engine installed in the van, if it was to be built as part of the restoration.

On 29 October 2023, an event named ‘Power & Torque’ was held at Fuji Speedway, where a slot was set aside for stock car racing vehicles. Here we introduce the Mazda Familia R100 Rotary Coupe, which took part in the event, entitled 'Festival of Stock Cars 2023'.