Douluo Dalu 2: The True God King - Chapter 210: [DD2]:

When The Cute Kunoichis Spied on Their Teacher's Secret is a light novel written by Kazuma Kamachi and illustrated by Ryuushi Tajima.

The story takes place in a world where Japan never ended their isolationist phase, and agents from foreign powers are always threatening to steal the country's advanced technology. In order to combat this threat there has been a resurgence of ninjas that use Strategic Martial Arts, techniques that combine cutting-edge modern technology with a traditional foundation of martial arts and ninjutsu. The story follows Souha Sugiyado, a 17-year old ninja instructor and former ninja prodigy who was forced to retire from active duty by the wounds he suffered in his last mission. Souha's four students are all kunoichi who have all gained the rank of Elite Ninja, the highest official rank available to ninja. However, one day two Shogunate ninja approach him with the news that his four students have gone rogue and have stolen a portable modular nuclear reactor, and thus they ask for his help in bringing his students to justice.

Crossing the sky, you don’t have a prominent background, you don’t have a grandfather ring, and you only have a little talent. What would you do?

Fortunately, Xiao Ming awakened the life simulator!

[Life Simulator is on:]

[You have lived an ordinary life. ]

[Extracting talent items]

[Currently available: Qinglian Earth Heart Fire, Melting Flame, Evil Poison Body]

[Please select one]

Every seven days, you can choose to extract one of the talent items from a simulation.

At this point, Xiao Ming began his ordinary life.

ps: The protagonist has a good talent and does not rely entirely on the simulator.

- Description from novelbuddy

In his first life, Victor was lazy, poor, and the ultimate gambler, but the Goddess of Envy gave him a chance.

[ Die and go back four years into the past to restart your life. ]

Victor lost all hope and killed himself, and so began his second and also the most miserable life.

He became rich and successful but soon his girlfriend betrayed him and took away all his fortune, having decided on a desperate act Victor came up with a plan to avenge himself.

Although his plan was successfully executed, Victor hoped that this time he would die once for all and forget the despair that followed him through his two lifetimes.

Yet as if to deny him of his salvation, he suddenly heard a feminine voice once again, but a different one this time.

[ Goddess of Lust, surprised by your actions, grants you a gift ]

[ Yandere system activated! ]

It was a turning point for Victor.

From now on whether it is a Goddess, a Vampire or a Succubus, no matter who it is I must seduce you or I will surely die this time!

Lacking funds for his brother-in-law’s dowry, Cole Stone is abandoned by his cheating girlfriend.

He makes a phone call…

“Ma’am, I give up. I don’t want to work hard anymore.”

“Sure.”

$10,000,000 is credited into his account.

Betrayed, mocked, and humiliated for being poor…

Cole Stone is forced into an engagement with a billionaire CEO whose motives are unknown.

“Ma’am, I would like to issue you a refund—”

“Do you think that my dowry can be refunded so easily?”

Cole Stone is stunned speechless.

Unfair! Absolutely unfair!

How will Cole Stone fare with this mysterious and sassy fiancee of his who never takes NO for an answer?

How will he fare in the world of elites?