yaku is a libero for Nekoma highs volleyball team and he may not make it very visible but he loves you and has loved you since you and yaku were in your first years at Nekoma high. yakus heart melts when you smile or laugh. He blushes whenever you call him "yaku-senpai" he can't help but say yes and agree to whatever you want

inside the school gymnasium yaku sees you helping some of the first years on the team practice and he smiles sweetly at the sight