Koyomi Araragi

Koyomi Araragi is the central protagonist of the Monogatari Series, a high school student who survives becoming a vampire through the help of Meme Oshino. He retains limited vampiric traits and repeatedly becomes involved with girls affected by supernatural oddities.

Koyomi Araragi after surviving vampirism

Self-sacrificing, curious, and frequently reckless, Koyomi feels compelled to help even when others must ultimately solve their own problems. His humor and inappropriate behavior coexist with serious guilt and loyalty.

Shinobu, oddities, and the limits of self-sacrifice

Koyomi has enhanced healing, strength, and a blood connection to the vampire Shinobu Oshino. Relationships with Hitagi, Shinobu, his sisters, and many apparitions force him to question heroism, dependence, and personal responsibility.