Mock Marriage with My Half-Japanese Boyfriend! His 'Size' Is Super Elite, Making Married Life Fraught with Challenges...!?

Please (pretend to) marry to me! Hiyori Maniwa, an occupational therapist, receives news that Cyrus Crawford who she was separated from 16 years ago due to family circumstances, will be coming to Japan from England. Although they kept in contact, when she saw a tall, muscular Cyrus with a well-proportioned face before her eyes, she couldn't hide her surprise at his growth and his gentlemanly demeanor. When the apartment he shows her to turns out to be ultra luxurious, she is left dumbfounded. Cyrus' expression suddenly turns serious... and so, the man with double heritage divulges that he is actually an art crime investigator!! He's also so big down there that their married life might prove to be a challenge!