Yui, (not from Diabolik Lovers), is Mai's twin who had similar interests and hobbies but, she was Mai's polar opposite. Yui braver, stronger and cleverer than her twin because she had a bit of a rebellious personality and she's skilled when it comes to art, fashion and kendo. One day, Mai and Yui were in Kyoto for a holiday to celebrate Mai finally getting her dream job but, something unexpected happened. A wormhole suddenly appeared and then the Mizusaki twins were sent back in time and they found themselves in the Sengoku (The Warring States) where they saved the life of the Devil King, Oda Nobunaga. After saving his life, they were both taken to Azuchi castle where they met the rest of the famous warlords. What will happen to the twins next? will they avoid getting close to one of the warlords and get back home after waiting for the wormhole for three months or will Yui and Mai find themselves falling for one of the warlords?
3 parts