If you're looking for manga similar to Twilight of the Cockroaches, you might like these titles.
Having becoming one of the “shipgirls” possessed with the powers and memories of the War of the Past, Zuikaku and her elder sister Shoukaku reunite, and through the man known as “The Admiral” comes to terms with the existence of humanity’s enemy–the Abyssal Ships. She resolves to protect this world that is so similar to that of her memories and embarks once more onto the battlefield–and must experience and confront the implications of her own cruel fate.
Kagerou, a Kanmusu stationed in Yokosuka Naval Base. As the nameship of the Kagerou class, she pushed herself to do her best in training, but things didn’t go very well. In reality, Ushio, Arare, Satsuki, Nagatsuki, and Akebono—Kanmusus that were added into the same fleet as her—caused by their respective reasons were all failing Kanmusu who could not get themselves a place in other fleets! Kagerou, with her stationing delayed and getting in last out of all of them, finding herself stuck in such a fleet and thus, her daily life in Yokosuka Naval Base began.
Gokicha is a small, kind-hearted cockroach girl who has just moved to Hokkaido. After being despised in her previous home of Kanto, Gokicha is hoping to start afresh and befriend humans in any way she can, even if it means walking slowly so she doesn't scare anyone. Along with her daring friend Chaba, the pair explore their surroundings and reminisce about the past.