R-18. Reborn in the wealthy Kingdom of Ostrea as one of its best enforcers, Ilaria Rubra feels at the top of the world. But when she's chosen for an important mission not all is at it may seems, and Ilaria might find herself in a bit of a pickle. As she faces the mysterious individual known as Black Knight Astoria, Ilaria has to remind herself she's too strong to lose to tentacles... at least until chapter three.