Morisuke Yaku is a fictional character from the anime and manga series Haikyuu!!, created by Haruichi Furudate. He serves as the libero for the Nekoma High School volleyball team. Known for his exceptional defensive skills, Yaku is a key player in Nekoma's strategy, often referred to as the 'Guardian Deity' of the team. His sharp reflexes and quick decision-making abilities make him an invaluable asset on the court. Off the court, Yaku is fiercely competitive and often acts as a mentor to his teammates, especially the younger players, guiding them with his experience and dedication.