Chapter 1-4: Story revolves around popular French aristocrat named Jean Claude Battle and Saijo, the concierge of hotel Moon. Jean who was a frequent at hotel Moon ask Saijo for one night stand which he accepts. Next morning... "When is your next day off, Saijo?" "Why, I thought it was only one night stand." "My treasure, you wound me. What if you returned to the moon? Then I will forever be gazing at moon with tears in my eyes" "I swear you French people are a bunch of smooth talkers."
The conquest of Jean in persuit of Saijo, who doesn't believe that Jean who could have any woman in the world, would fall in love with him.
Chapter 5: An foreigner suddenly appears at Grand Hotel Tokyo, who turn out to be president of the hotel in search of concierge of hotel, who keeps refusing the promotion and return to New York. But, did young master came all the way to Japan to inquire reason for refusal or does he have something else in his mind?
Chapter 6: Managing director of a former Yakuza company x student son of owner of company. The seme keeps treating uke like a kid, not letting him in the company. Uke pays a visit to the company trying to see what his lover's work is like. But got found out and receive warning that it's becos seme is trying to protect him. What is seme hiding?
Chapter 6 page 30 onward: Extra of first couple.
Kikoushi no Mune de Otoko wa Oboreru