Shibisu  

, 십이수 / シビス

This individual has a C-rank classification and is considered to be relatively weak compared to others with similar abilities. However, they possess a remarkable talent for deduction and an intellect that matches or exceeds that of Khuns. Despite their perceived weakness, this person successfully passed all the tests on the Second Floor and was given the Scout position. Currently, they are leading their team up the Tower as the leader.