Also known as: 鈴木雅之
A Real Life Japanese singer, so called Japan's King Of Love Songs.
He is known for singing the OP theme for Kaguya-sama wa Kokurasetai, his first anime song 39 years after his debut.
Also, his 1994 song "Chigau, Sou Ja Nai" (lit. "No, it's not like that") has become a kind of meme in Japan.