This visual novel has no distinguishable heroes or heroines to speak of. It doesn't have routes centred around romanceable characters.

There can be a number of reasons for this. Maybe the story simply doesn't feature any romance at all (e.g. The 39 Steps), maybe the protagonist never settles down with anyone (e.g. Ikazuchi no Senshi Raidy II ~Jain no Shinden~) or maybe it's just a short Nukige, that doesn't feature any characterization whatsoever, just the protagonist going through a bunch of random sex-scenes with a bunch of random partners (e.g. Stopping!!! 9: Natsu no Omoide Hen). The point is that it doesn't make sense to talk about "heroines" in context of this visual novel.

Note: the point of this tag is prevent the use of other hero / heroine tags on visual novels where they are simply not applicable.