Hayato Kisaragi

Hayato Kisaragi is the male protagonist of Hundred. Hayato became a Slayer in order to obtain state-of-the-art medical treatment for his sister. His previous encounter with a Savage 10 years ago results in him becoming a Variant - one of a very small fraction of people (fewer than 10 in the world, according to Emile) who have survived exposure to the Savages and obtained a greatly increased affinity for Hundreds as a result. He has the highest known compatibility with a Hundred and his Hundred the Flying Swallow is chevalier type that takes the form of a sword and a shoulder guard.

Hundred and Abilities
Flying Swallow(ツバメの飛行 Tsubame no Hikō): Hayato's Hundred was given to him by Char which is a chevailer type that takes form a sword and a shoulder guard. Even on his first try, Hayato was able to master his Hundred. which amazed Emile and Char.
 * Full Body Armament: Due to being infected with the Savage Virus. While fighting Claire Harvey and almost being defeated, the Savage Virus made him enter his Full Body Armament which was an achievement cause he just got his Hundred.
 * Energy Barrier: While in his Hundred form, Hayato is able to create an energy barrier allowing himself to protect from attacks as shown when battling Claire.
 * Energy Blast: Hayato is capable of channeling all his energy into his sword and created a huge blast on his opponent.