Kaimaki

This story takes place in a future AU where Kaito and Maki (You) are married and have a daughter named Mitsuki. Maki is a retired assassin and works at her childhood orphanage and Kaito is an astronaut; he took a break from his job to settle down and start a family, but a few years later, he was offered to take on another space exploration. Kaito was a bit reluctant at first, but Maki told him it was okay. However, a few days after Kaito went into space, Maki found out she was pregnant with their second child. The story takes place months later, when the baby is born and Kaito comes back from his mission. (The baby's name is Minato and he's a boy)