Sanada Kouji

【Hina's Senior Colleague】
He excels in his work within the company and is highly respected by everyone.
His is not very talkative, and he is perceived as having a cool demeanor by those around him.
From the moment he joined the company, he fell in love at first sight with Hina and has been planning to woo her someday.
Interestingly, he has quite a bit of experience with women, having successfully captivated many in the past.

Translated from official site