Appearance:
Felli has knee-length, silver hair and silver eyes. She wears the traditional white and blue Military Arts' uniform top, cream shirt and red tie, with a short white skirt with frills. She pairs this with high, white socks and white boots. In action she wears 17th platoon black combat uniform.

Biography:
She comes from Santo Brug, a city of trade. She rarely speaks and shows little emotion. Like most Nen-I operators, Felli receives a great influx of information in her brain, and her mind is unable to handle the strain of responding to every bit of information. Because of this, she has a hard time making common facial expressions, such as smiling. and showing afffection though she can get really angry easily. Her brother is the head of the student council in Zuellni, Karian Loss.

Felli is a gifted Nen-I user and because of that she was forced into Military Arts by her brother and thus despises him for it. Felli's power is extremely strong and she always tries to hide that fact.

She works part time at a Maid Cafe though is shown not to have culinary skills. She kicks Layfon in the leg every time he does something that annoys her. After learning of Layfon's nickname "Lay-ton", she insists on calling him "Fon-Fon". Through the series, she has taken a liking to Layfon in a romantic sense, showing clear signs of jealousy and blushing in different situations.

Skills & Abilities:
Felli is the Nen-I user of the 17th platoon and a 2nd year. .Felli is described as one of the most talented Nen-I operators. Her DITE is a wand which holds many petal shaped pieces that are grey when inactive and are pink when active. These petals are utilized to send out telepathic messages to others. They can also transform into offensive daggers, if necessary. Felli is also capable of synchronizing with other people's pins to make up for distances she cannot cover.

Source: Wikia