NIGHTS OF HALLOW - Chapter 17: Acts of the Night (1)

She gets drunk in the bar and accidentally offends her husband whom she has rarely met throughout their two-year-marriage! Rumor has it that Young Master Rong Yan is a germaphobe and will never let any woman get near him. Why is she an exception? Rumor has it that Young Master Rong Yan is ill-tempered and whoever offends him, would be sent to meet Hades. But why is she still in one piece after provoking him? She would definitely make those who bully her and treat her unfairly, pay the consequences for their actions!

Some say reincarnation is a blessing, but for me, it's a dreadful curse. Cursed with endless reincarnation, I've been reborn as a villain 137 times. And all 137 times, I've been toyed with and killed by heroes who are far more cruel than the said villains... If I can't win no matter what I do, then I'll crush those so-called heroes at their very roots. - Quality Fan Translations, Made by Fans for the Fans - Villain Takes Over The Academy

To be exact, the female lead is an “older sister” type, amid many beauties and handsome guys, she's no white lotus.Also, it's said that the name of this book is the same as a brand of sheep's milk powder.

On a harsh rainy day, a high school student without any particular special skills, Usato Ken, got dragged into another world summoning with two others; a good-looking guy and a beautiful girl, both of whom he strangely started getting along with just today. As an especially talentless individual that didn’t stand out, he thought that the others would treat him like he was useless. However, they were unexpectedly kind.———“Maybe things will be fine?”Usato who found hope in another world thought that, but the reality was different. He had a certain magic talent hidden within him and he was forced to fall into hell under the name of “training”.