Just after the secretly crossdressing Mito finally realizes that she has feelings for her vampire roommate Ruka, the two of them have a fight and she ends up spending the night in Ren's room. But will Ren, the half-vampire, be able to hold back his growing desires now that the two of them are in such close quarters? And now that Mito has grown distant, what will Ruka do when a beautiful girl, Maina, asks him out? His decision could unknowingly break Mito's heart...