
She calls herself a tsundere (but is mostly a yandere) and often speaks in an abusive style. She became anti-social and was very different from her personality from when she was in middle school. Ever since, she avoids contact with everyone else, and threatens anyone who discovers her secret. During the period between both schools, she encountered a giant crab who stole her weight. She is in the same class as Koyomi, but she rarely speaks. She is a weak-looking girl with an "incurable disease". Hitagi Senjōgahara Hitagi Senjōgahara ( 戦場ヶ原 ひたぎ, Senjōgahara Hitagi) Voiced by: Chiwa Saitō (Japanese) Erica Mendez (Audiobook) (English) The main character of Hitagi Crab. He is the person believing his bad family relationship, while Karen and Tsukihi did. Other characters, particularly Mayoi and Hitagi, seem to speculate that Koyomi is a lolicon. Although he is shown to be attracted to the other girls, he turns down their advances due to his loyalty to Hitagi, with whom he is shown to be in love in both the novel and anime.

He started dating Hitagi at the end of Mayoi Snail. He remains afraid of morning sunlight despite the fact that it no longer has any negative effects on him. These side effects are later revealed to be due to the bond that Shinobu and he share. As a result, he has concerns regarding his lifespan. He can now see in the dark, his eyes turn red when he gets angry, and he heals incredibly quicker than the average human.

Although, Meme Oshino helped him become human again, there are several lingering side effects. Shortly before the first novel begins, he was attacked by a vampire during spring break and became a vampire himself. He is a third-year high school student who fails every subject except math. Main characters Koyomi Araragi Koyomi Araragi ( 阿良々木 暦, Araragi Koyomi) Voiced by: Hiroshi Kamiya (Japanese) Erik Scott Kimerer (Audiobook) (English) Koyomi is the overall main protagonist of the Monogatari series.
