From Mountain of Pigeons Translations:

Zagan is feared as an evil mage; he is awkward, has a sharp tongue, and once again that morning had to put down burglar who'd encroached on his territory when he was trying to sleep after an all-nighter of research. Later, in a dark auction, he finds a white elf slave, Nephie, who holds a peerless beauty. Falling in love with her at first sight, he uses his entire fortune to buy her, but with his poor social skills, he doesn't understand how to connect with her. Thus, the clumsy cohabitation of the mage who can't convey his love and the slave who pines f... More...

From Mountain of Pigeons Translations:

Zagan is feared as an evil mage; he is awkward, has a sharp tongue, and once again that morning had to put down burglar who'd encroached on his territory when he was trying to sleep after an all-nighter of research. Later, in a dark auction, he finds a white elf slave, Nephie, who holds a peerless beauty. Falling in love with her at first sight, he uses his entire fortune to buy her, but with his poor social skills, he doesn't understand how to connect with her. Thus, the clumsy cohabitation of the mage who can't convey his love and the slave who pines for her master but doesn't understand how to bring it up begins. Less...