We're not even dating, but we're acting like a married couple.

Amakasu Kiichi is a gay man and it's been 3 years since he started living with his straight best friend, Shibata Ryuunosuke, while raising the latter's niece, Mako together. Even though he sometimes has trouble balancing childrearing and work, Kiichi still managed to build a family-like relationship. But there is one thing that he's been hiding and that is …