Hired as a servant by an Aristocrat family, Claude works hard to care for the family that took him in. But when the master of the house and his wife eventually pass away, Claude must keep spoiled son Antoine in line and teach him to be a proper gentleman. As the two become closer, a forbidden love develops between them... (Source: BLU Manga)

Ai to wa Yoru ni Kizuku Mono was published in English as Lovers in the Night by Tokyopop under the Blu imprint on May 1, 2007. The publisher's imprint is now defunct.