According to Moonphase Diary, Isin Nisio’s (author) and Vofan’s (Illustrator) light novel 「Kizumonogatari」 — prequel to 「Bakemonogatari」 — will receive an anime adaptation.
Main Characters will be Araragi Koyomi and Oshino Shinobu. Unfortunately, we don't know if the "I am a tsundere" Hitagi, Loli Mayoi, Busty Megane Tsubasa, Loved Nadeko, or any others will appear in the prequel besides Araragi and Shinobu.
