A half American half Japanese man who belongs to a boxing club. He is a third year student in Shibuya Ward's international school Daikanyama Academy, but he is currently taking a leave of absence from there. His specialty is a ferocious left and right barrage while moving his upper body in a figure eight. His eyesight is impaired, and he once lived through very rough circumstances. However, it is said that by chance he learned of love after fighting with a certain Transient and changed his way of life. Traces of that time sometimes comes out as slang he speaks when his spirit gets excited. While he can't see, he understands the risks and is an infighter who jumps in close to his enemies. Jacob believes that sometimes speaking with your bodies with zero distance between them is how true love is gotten across. He is quick to agree with and like people who like wandering journeys while being aware of the dangers.
