On 25 December 2020, Showa Brain Navi Vietnam Co., Ltd. (Showa Brain Navi Vietnam), a subsidiary of Showa Holdings Co., Ltd., released the fourth booster of the popular trading card game series HAIKYU!! VOLLEYBALL CARD GAME (Vietnamese version) under the Vietnamese title “HV-04 Tr?n Ð?u Kh?c Li?t”. HAIKYU!! VOLLEYBALL CARD GAME (Vietnamese version) is developed by Wedge Holdings Co., Ltd. (a subsidiary of Showa Holdings Co., Ltd.) under the license of Takaratomy Co., Ltd. and first released in Vietnam market by Showa Brain Navi Vietnam in 2018. This game is highly valued for its ability to enhance user’s strategic thinking and creativity. Furthermore, with content closely based on the popular high school sport manga Haikyu!! and state-of-the-art illustration, it was welcomed by Vietnamese young generation and has become one of the most popular trading card game (TCG) products in Vietnam. The new booster HV-04, incorporating even a more sophisticated game play, featuring for the first time the multi-character or combi-card, as well as many new characters equipped with new abilities, will enable players to create strong move, develop complicated strategy and enjoy the best duels ever.