Yui's Three Guardians (Diabolik Lovers fanfic)

Yui has always been with her three guardians since childhood, but as they grow up, the three guardians moved away by her father so they can live independently. Yui on the other hand starts living with the Sakamakis by the orders from her father.

The three guardians, Tsurara Frost, Kurohime Kage, and Hotaru Kasai, are living their daily lives until Tsurara received a message from Seiji that shocks the girls. Appalled by Seiji's decision, Tsurara and the girls decide to live with Yui to protect her from the cruel and sadistic vampires, but what happens if the Sakamakis fall in love with them? Will the guardians reciprocate their feelings?