As usual, like the rest of the DOA dating or beach related games, this one is also not coming to Western market due to devs fearing for backlash from the gamer. Having it on GOG would bypass a lot of the issues I believe. Unlike Steam or other platforms where games get a lot of attention, GOG is a place where hidden gems lie for gamer to pick and play. If GOG can talk to the devs in Japan for these games and bring some senses to them, perhaps we may yet see them all in GOG one day. I would rather have it on GOG than not have it on Steam, knowing it is on Steam at this very moment (region locked).