GungHo Online Entertainment, Inc. is a Japanese video game developer and publisher. They are primarily known for hosting the Japanese server of Ragnarok Online, as well as their development of Ragnarok DS for the Nintendo DS. More recently, the company has reported huge financial success thanks to its mobile game Puzzle & Dragons, which, in 2013, was reportedly responsible for 91% of the company's $1.6 billion revenues for the year.

SoftBank Group Corp. is a Japanese multinational investment holding company headquartered in Minato, Tokyo which focuses on investment management. The group primarily invests in companies operating in technology that offer goods and services to customers in a multitude of markets and industries ranging from the internet to automation. With over $100 billion in capital at its onset, SoftBank's Vision Fund is the world's largest technology-focused venture capital fund. Fund investors included sovereign wealth funds from countries in the Middle East.