Irina Jelavić

Irina Jelavic (イリーナ・イェラビッチ, Irīna Yerabicchi) is the language teacher for class 3-E of Kunugigaoka Junior High School. She is actually a professional hitman hired by the government to assassinate Korosensei.

Appearance
Irina is a beautiful young woman. She has long blonde hair and blue eyes. With an ample bust and a curvy physique, she has a very seductive body that she utilises to seduce and manipulate her assassination targets. Irina is usually seen in fashionable clothing which emphasizes her flattering form though Karasuma regularly reprimands her for wearing "inappropriate" clothing for a teacher, forcing her to change into a more conservative apparel.

History
She is a well known hitman by the government. She has a proven track record of 11 jobs in countries around the world

Abilities
Infiltration: As an infiltration assassin, Irina is considered second to none. She is able to charm her way into her target's inner circles, penetrating the highest security and killing them when they're alone at point-blank range with little difficulty. Irina is seen to be able to adopt different personalities in order to infiltrate into the various situations

Linguistics: Irina is extremely skilled in conversational abilities being able to speak fluently in 10 separate languages. Through these skills combined with her infiltration abilities, Irina is able to extract information from her targets.

Martial Arts Competence/ Weaponry Master: Being an assassin, Irina shows considreable expertise when handling weapons such as guns, knives etc. She's also shown her abilities when setting up complex trigger traps when attempting to kill Korosensei. She shows able skills in martial arts but is still underskilled compared to more prominent assassins in the series such as Karasuma.

Other abilities: Irina is also seen to be able to play piano at a concert-performer level with ease while still being able to draw people's attention through miniscule body movements.