Taiju Shiba is an arrogant, mean, and overprotective person who is the leader of the infamous gang Black Dragons. Although Taiju can be very mean towards others, he also shows that deep inside he could also have a soft heart. Taiju can also be very caring and overprotective and display yandere-like tendencies towards those he loves and cares for most, he is also shown to have changed just a little, and protect his loved ones more often.