Kei Tsukishima's perspective on volleyball evolves significantly throughout the series "Haikyuu!!". Initially, he views volleyball as just a hobby and is rather indifferent towards it, often displaying a detached attitude. However, as he grows and gains more experience playing with his teammates, especially after witnessing their passion and dedication, Tsukishima begins to develop a deeper appreciation for the sport. He starts to understand the importance of teamwork, hard work, and determination in volleyball, leading to a shift in his motivation and commitment to improving his skills. Overall, his perspective transforms from apathetic to genuinely invested in volleyball and in supporting his team.