Kalluto, the doll-faced boy who usually wears a dark purple kimono, is characterized by a mole near the corner of his mouth and bright red eyes.
He is taciturn, cares a great deal about his third older brother Killua, and harbors feelings of jealousy toward his fourth older brother Alluka.
In short, he is practically a legitimate "loli" combined with a cross-dressing bishōnen!
Chapter 181