Haken no Ninja Akabane

Haken no Ninja Akabane centers on Yutaka Irodori, a salaryman who is transferred to his confectionery sweets company's dead-end division, nicknamed the "Akabane Division" after its division head. When Yutaka heads there, he finds that all of the temp office workers there are beautiful ladies, and also modern-day ninjas, including the daughter of the division head, Akane Akabane. Yutaka soon finds himself manipulated and toyed with by Akane and the rest of the ladies.

(Source: ANN)