Yasuke is referred to as a "sharp-tongued brainiac" by Monokuma's memo in his profile and he's described as good-looking and intelligent. However, he is also notable sarcastic, witty and displays a perpetual, disgruntled apathy. Despite his young age, his is a very skilled neurologist and is regarded as an expert neurosurgeon and neuroscientist. He also has a short temper and when he loses it, he can be quick to resort to stinging and bitter demeanor. While being perfectly capable of being professionally-balanced and cordial, he is also capable of putting other people in their places if not downright scaring or intimidating them.

His attitude and general demeanor often causer him to butt heads with students and staff alike, but he's more prone to brushing off their complaints and arguments not too long after they start engaging in pointless lengthy disputes.

His quite mean and rude, carries a dry sense of humor and an unapproachable, hostile attitude. He is a aloof, enjoying spending time on his own and reading manga, He sees little to not point of respecting others without a good reason to do so and partially because of this, he is notoriously known for standing up and having a complete disregard or dislike of authority figures.

Character Wiki

While this character was never formally voiced, we imagine his voice to be tired, but very cynical.

Vocal Range would most likely be medium to medium low.

Feel free to do your own interpretation though!

Notes: Please read each line 2-3 times with no slate. The third line is the most important though as it's part of the actual dialogue you'll be speaking if you're cast.