My Pet Is a Holy Maiden - Chapter 68

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

The eldest son of the assassin aristocrat Tuatha Dé.

The skill, experience, knowledge of the previous life, magic, all of which grows his power as an assassin.

Excellent assassins pass through. He was usually admired as the ideal lord, and behind it wielded a blade as an assassin aristocrat.

A tale of transporting to an alternate world! Let it be so, but why did she turn into a dragon?

As the last dragon in this world, Yi Longlong became the target of the dragon knights, but why are they competing on who gets to ride on her back?

She’s only a young girl who hasn’t even been on her first date!

Are good looking men so remarkable? Just because they’re good looking doesn’t mean they can ruin this beautiful innocent girl… Dragon?!

- Description from Novelupdates