[Machine Translation] Use the power of the Kraken to crack down on the women's prison in another world! Kuma, a male student who is having trouble finding a job, is suddenly transported to another world. There, he is taken to a female prison, Kaikoku Castle, where he fuses with Kraken, a magical beast, the ruler of the sea, and gains the extraordinary power of the squid. Entrusted with the rescue of Princess Zeina, who was condemned to death by a conspiracy, Kuma sneaks into Kaijokjo as a prison guard, but a group of unique female prisoners are waiting for him there. ...... Can Kuma conquer the female prisoners with the power of squid, both physically and mentally, and save Princess Zeina? Akame ga kiru! and "Slave of the Mado Seibi"), this is an otherworldly erotic + battle fantasy!