But was Kaiki targeting Koyomi's harem to begin with or the oddities (Hitagi, Suruga, possibly Karen) that are attracted to Koyomi (according to Tsubasa's theory/excuse)... the second seems much more reasonable... not that it matters much, just saying
@Candyshark: Another NTR comrade
Monogatari, because of Hitagi/Koyomi is perfect for semi-NTR stories