Story occurs in modern days . Male Lead (ML) is a normal human and accidentally got caught up in vampire's war and some how he became immortal .Female lead (FL) who is a vampire, imprison ML and use him as her food. Other details i remember:
-Have fighting scene on a train.
-Story based on religion ( i think it's Christianity).
-FL trapped in ice abyss and ML found her.
-Have some romance aspect but not shoujo type.
-Only have black and white color.
-Character wear western gothic style clothes.
-It have multiple chapters and completed.
-FL look mature.
Please help me, i read it long time ago but haven’t finish it. Thanks in advance.