He is called "Karasuno's Guardian Deity" because of his excellent and amazing skills as a libero, having won the "Best Libero" award while he was still in middle school.
Dia disebut "Dewa Penjaga Karasuno" karena kemampuan yang sangat baik dan menakjubkan sebagai libero, setelah memenangkan "Best Libero" penghargaan saat ia masih di sekolah menengah.