Imagine what will happen if the women and girls have found themselves in the world that is full of lesbian perversity. After hearing the mysterious stories of having gorgeous women and adorable girls being vanished, Rias and the girls have no choice, but to solve the mysteries. However, that world is much more weird than they thought!

When an anthropomorphic personification of a WWII-era warship in the form of a beautiful woman shows up to save you from your murderous girlfriend who somehow grows a pair of black wings, it's safe to assume that your life will never be the same again. CHAPTER 07: GATHERING CLOUDS

Issei Hyoudou was kidnapped, stuffed into an advance warmachine and sent into a universe where everything seems intent on ending humankind. The only saving grace was that he now had the opportunity to build up a harem of cute girls and life the life of a Harem King. But will his life be a Harem-Comedy or will it be a tragedy?

(Story Challenge fic, AU) During his time in Yokohama, Issei's life changed when 4 unique girls transferred to his high school after a visit to a WWII ship exhibition. Fast forward to now, Issei Hyoudou need to find out his own history with the help of those very 4 girls he reunited and discover his and their true identity against increasingly new threats. (Idea at the bottom.)