I'm Giving the Disgraced Noble Lady I Rescued a Crash Course in Naughtiness (Light Novel)

I'm Giving the Disgraced Noble Lady I Rescued a Crash Course in Naughtiness: I'll Spoil Her with Delicacies and Style to Make Her the Happiest Woman in the World! (婚約破棄された令嬢を拾った俺が、イケナイことを教え込む～美味しいものを食べさせておしゃれをさせて、世界一幸せな少女にプロデュース！～ Konyaku Haki Sareta Reijō o Hirotta Ore ga, Ikenai Koto o Oshiekomu: Oishii Mono o Tabesasete Oshare o Sasete, Sekai Ichi Shiawase na Shōjo ni Purodyūsu!) it a Light Novel written by Sametarō Fukada and Illustrated by Ichiho Katsura.

Synopsis
Allen Crawford is a misanthropic sorcerer known as the “Dark Lord.” When he comes across Charlotte Evans, a noblewoman exiled on false charges, his memories of being betrayed three years ago come rushing back. He decides to teach Charlotte about all the pleasures, vices, and joys of naughty living. Can a broken heart be mended with riotous living? These two are bound to find out!

Volumes

 * LN Volume 1
 * LN Volume 2
 * LN Volume 3