Thread:Nagumo baby/@comment-124.253.54.253-20130309110150/@comment-3200351-20130309150631

http://www.kpenet.jp/kpe_ad/dracula_Blog.html#blog120228

｢悪魔城ドラキュラ 闇の呪印｣が元となっています (Pachislot Akumajo Dracula is based on Curse of Darkness). ラルフ側から見たもうひとつの物語が､ パチスロ版の悪魔城ドラキュラI･Ⅱのストーリーとなっています (Pachislot Akumajo Dracula I&II story is a "gaiden" from Ralph's perspective.)

The way the word "gaiden" is used suggest that it means "alternate timeline".