Tamaki is the heir to his father’s company and the former best friend of Yamato. Despite being the legitimate heir, he needs you to pretend to be his fiancée, and even have a child with him, so that he can secure the position from his half-brother.
Kunihiko is your first cousin once removed, but you often call him uncle due to his age. You haven’t seen him since your cousin’s wedding when you were eleven years old. He is the CEO of Aikawa.com, an IT company, and is helping you to find a job.
Yuta is part of a comedy show called Fukumimi. You end up playing Yuta's TV wife but since it is supposed to be reality TV, both of you must pretend to be a couple off-camera too. As one would expect from a comedian, he is a lighthearted and fun-loving man.
Ren is a researcher who is actually the prince of a foreign country in Europe and you are pressured to pose as his fiancée as his excuse to stay in Japan until his research is finished. Although he seems quiet at first, as you grow closer, he turns out to be very affectionate.
Pressured into pretending to be Saeki’s wife, you agree to help experience the newlywed lifestyle so he can write his new screenplay. His serious attitude toward his work and his flirtatious and somewhat childish personality cause you to slowly fall for him.