When Shinozaki started his new job, he never expected his superior to be so...cute!? He was struggling to learn the ropes until Katase, his adorably tiny and kind senpai, took him under her wing. She goes above and beyond to ensure Shinozaki feels comfortable-even rubbing his shoulders when he's tense. But as they grow closer, Shinozaki hopes her devoted attention might mean something more.

Mikami Satoru, de treinta y siete años, está atrapado en un trabajo sin futuro, infeliz con su vida mundana, pero después de morir a manos de un ladrón, despierta a un nuevo comienzo en un reino de fantasía.

En un mundo inundado, las naciones forman "Azur Lane" para luchar contra las "Sirenas". Las facciones "Unión", "Real", "Hierro Sangre" y "Imperio Sakura" empuñan buques de guerra antropomorfizados de un "Cubo de Sabiduría".