It was a normal day, class was great, she was having fun, and then it happened. She became the mother to a baby that looks creepily like Naru! Then her house burns down and she moves in with Naru! As if it wasn't hard enough his old teacher pops in and suddenly Naru's parents show up! That's just a month in the life of Mai. And it's all thanks to The Baby Project.

It's time for Oliver Davis to return home to England with his brother, and so SPR throws them a going away party! Needless to say everyone but the Priest gets drunk. What happens when Mai offers Naru a place to sleep since Madoka took his room? What happens when she wakes up naked in bed and Naru's gone? What happens when she discovers she's pregnant? Find out in THE TWINS!

It's been a couple years now, even though they were separated by some countries, they managed to stay close and work together on cases. They've developed a very close relationship yet both are two stubborn to admit their feelings. But what happens when a previous client comes back to haunt Mai? How will Naru react? Will Mai even make it out alive?