Mento,
who possesses the primordial letter - [M],
in the Supreme Will's positioning, belongs to the Support Class, mainly responsible for the creation and management of the world. His unique "Modeling Fluid" can also be used for limb repair among teammates, as well as the construction of temporary equipment.
However,
when his dearest father-like figure, also his most respected mentor, Mr. Mede, was assassinated by Goodman,
he resolved to personally execute this Out of control,
with the execution set to occur after the Black Tower had completely drained Goodman's value,
since his mentor's death, he officially accepted the M letter.
He often transformed into a common man, traveling through self-constructed worlds created by the Modeling Fluid,
his favorite thing to do was to sit on the highest peak of each world, engaging in contemplative fishing,
