After years of war, the humanity of one timeline beat back the Siren invasion, but is it really the end? A springboard for a new series of stories that share the event here as a common start. Poll on profile.

She lost her beloved and sunk to the deep sea that day. And then she woke up. Sakura was, maybe, the kind of person to stay in the background, like a wallflower. Akagi would make sure the child blossom like the Sakura Empire's blooms. (Short drabbles, updates irregularly.)

Naruto sacrificed himself to save Boruto and humanity again. Thrown into a new world with half the strength and dying. Meeting with nine shipwrecked girls changed his new life to the worse or the better. Pairing Laffey-Javelin-Z23-Ayanami-Amagi-Hood-Hipper-Enterprise-Jean Bart.

The fight against the Sirens has turned into a long and brutal slugfest. Humanity, desperate to attain victory, created what could be considered the ultimate Kansen. The culmination of the four greatest navies on Earth with sprinkles of captured Siren technology has given birth to a machine who embodies the very concept of Firepower. The only question is, will this be enough?