A noteworthy habit of these yukkuri are their almost parasitic relationship to the Flandre-types. While a Sakuya will happily treat the Flandre just as well as it would a Remilia, it seems to consider the Remilia's orders of a higher priority than the Flandre's if it can remember it. However, the most interesting interaction of these two is the way that the Flandre will often percieve the Sakuya in one of two ways; it will either ignore the Sakuya (or let it stay to gather food for the Flandre), or, this being the more likely occurence, fail to identify or even forget its Sakuya-type servant and attack it.