Kosei Niinuma, a 23-year-old small forward for the Sendai 89ers, brings size, athleticism, and scoring potential to the wing position. With a solid frame at 194 cm and 94 kg, Niinuma has the physical tools to defend multiple positions and finish powerfully at the rim. Born on March 3, 2003, his development path would have included the competitive Japanese high school and possibly university basketball scene, where his all-around game began to flourish. Wearing number 24 for Sendai, he is tasked with being a versatile two-way player, capable of spotting up for three-pointers, cutting for baskets, and using his length defensively. As the B.League continues to evolve, forwards with Niinuma's blend of size and skill are increasingly valuable. His continued growth in consistency and shot creation will be key to his role expanding and helping the 89ers climb the standings in Japan's top division.