[Machine Translation] In a world where the human race has established the military alliance "Azur Lane" to counter the "Sirens", an alien-shaped enemy that threatens the Blue Passage. A news spread quickly at the home port of Ayanami, a destroyer girl from the nation "Chouzakura" belonging to the "Red Axis". The shocking news was that Ayanami and her commanding officer would be united by a tight kizuna, or "kekkon. The girls on board the ship were suddenly excited by this first "kekkon". Some shouted their congratulations, others looked at each other with envy. And then some begin to put a "wait and see" on the first betrothal...? A spin-off of the popular game "Azur Lane"! Here it comes!