is a Japanese footballer who plays as a forward.
Morinaga's brother, Masato Morinaga, is also a footballer.
Whilst playing for Ryutsu Keizai University, Morinaga was selected as the MVP of the tournament.
On 4 January 2018, Morinaga was announced at Albirex Niigata Singapore, joining the team from the 2018 season. He scored his first hat trick against Balestier Khalsa on 27 May 2018.
After leaving Rudar Pljevlja, Morinaga has not played professional football since 2019.
Morinaga has been described as a forward "who makes a difference with his technique, positioning, and scoring ability.".