北原織（龍星飾）在升大學(xué)后，宿在叔父經(jīng)營的潛商店「GRAND BLUE」，并且與隔十年不的表姐妹—古手川奈奈華（朝奈彩飾）古手川千（與田佑飾）同住個(gè)屋檐下活。對青大學(xué)新生充滿期待他，被大潛水社團(tuán)Peek a Boo」盯上，殊不知社團(tuán)前輩上，連熱二次元世的友人今耕平也一被扯進(jìn)來于是展開一段結(jié)合水、裸體酒精、打、妄想、愛的荒謬學(xué)生活?
Dark Spell is a story about the girl named Zhenya who suffers from being in love with her husband that has left her, so she decides to bring him back. Desperate heroine casts a spell called "Black Wedding", which is a magical ritual known for its great power and irreversibility. After the ritual, her beloved husband comes back, although his love becomes more like an obsession: he is even ready to kill Zhenya, so as not to give her to anyone. When the maddened husband dies, the spell does not stop: because even death will not part those who were betrothed by the demon of black wedding.
