Appearances
Frequently asked questions
What is Yuuichi Sadanaga's name in other languages?
Yuuichi Sadanaga is also known as 貞永優一.
Yuuichi Sadanaga is also known as 貞永優一.
貞永優一
At the beginning, Yuuichi still haven't got his invitation to the Coupling Center.
His dream is to marry someone prettier than his sister, Manami.