Nana Takashima

Tokyo Bay Water Police, formed to combat rising maritime crime in under-patrolled waters contrasting land's high-surveillance success, unites a fractured team of officers—a veteran leader, an ambitious transfer detective, and a skilled marine engineer—whose clashing backgrounds evolve into collaborative resilience as they solve coastal crimes and protect Tokyo’s waterways.

Uta Imanishi and Misono Kujo are cousins ​​who have been raised together since childhood. Uta is a hard worker who aims to become a freelance writer while working part-time at an izakaya, but she is stubborn and not good at expressing her emotions honestly. On the other hand, Misono is a cute and spoiled character who is loved by everyone. These two contrasting people live together in an apartment in Tokyo, are family members, and are like best friends. However, in fact, Misono has a devilish cold-hearted heart...! Uta, who lives together without knowing that Misono has a hidden side, is gradually driven to ruin. When Uta eventually realizes Misono's betrayal, she despairs and vows revenge to counterattack, but...