DxD: Matsuda? - Chapter 8: Evil Harem King Issei?

What if your own father and his mistress were behind your mother’s death? What if you were about to be sold if to a scumbag?

Friends, standing before you is:The Master Of Gacha;The Bug Catcher’s Bane;The Nightmare of Every Youngster;The Idol To Countless Boys And Girls;The Second-in-Command of Team Rocket;The Uncrowned King of the Underworld;The Youngest Champion In History;Master Of All Types;Luo 'The Shining Light Of The League' Yuan!

Some people begin their lives with the odds in their favor but end up failing miserably.

Lin Jingzhe, having suffered many losses and setbacks, returned to his eighteen-year-old self just before failing his college entrance exam.

Business opportunities were everywhere in the early 1990s when the Chinese economy started taking off.

Now, this golden age would be his.

- Description from Novelupdates

The following were the talents of other cultivators: Divine Spiritual Root, Unique Body, Double Eyes, Divine Bones.

This was the talent of Chen Jingzhai: Bug Abuse.

Chen Jingzhai did not have any unique talent until he found out he could abuse bugs.

When he encountered a new martial art, he could instantly see the pros and cons and the weakness of the art.

When he fought, he could notice his opponent’s weakness and use that to his advantage.

When he brewed pills, he could abuse a special bug that allowed him to mass-produce high-quality pills.

Not only he could discover bugs while cultivating, but also in some special circumstances.

With the help of his new power, he began on a one-of-a-kind cultivation journey where he would become a legend.