Whilst not the first anime based on the traditions of sumo, this one is fairly in-depth. The last sumo anime I watched was Rowdy Sumo Wrestler Matsutaro, where a local bully gets humbled and wants to be a strong sumo wrestler, to impress his teacher who he loves. This anime is a huge step away from that, talking about the desire to be a Yokozuna. Mix traditional sumo with shounen elements and you get Hinomaru Sumo. Sounds good? Read on!