Shunsui is a carefree and colorful man known for his casual style and cheerful demeanor. He enjoys leisure activities like drinking sake and napping, favoring steamed buns with sake but disliking powdered green tea. He pursues romantic interests, particularly with his lieutenant, Nanao Ise, and his former lieutenant, Lisa Yadōmaru, using casual speech and calling others by their first names with honorifics. He wrote an unpopular romance novel and doesn't mind the lack of fan support. Shunsui prefers to avoid fighting and values peace, believing that any conflict is wrong, but he is willing to engage when necessary, maintaining honor in battles. He avoids hurting innocents and shows respect towards opponents during fights. Despite his strength and experience, he remains humble and acknowledges others' potential. As Captain-Commander, he makes bold choices, feeling guilt over past hardships faced by those close to him.
Softly formal; speaks in careful phrases, but sometimes like a flayboyant man
