The supporting character's harem is very normal - Chapter 449 Crazy! You are crazy!

System: Want to live? Want to recover from illness? Want to change Da Zhou’s fate? You only need 998 points to redeem a package guaranteed to cure all diseases and strengthen the body! You don’t need 2400 points, also don’t need 1200 points only 998 points. You won’t suffer losses or be fooled! Welcome to the system of the king of the dead…..

Ji Jinrong: This name does not sound very auspicious

System: Don’t pay attention to these details /(ToT)/ ~~

Ji Jinrong killed all his brothers. At the age of thirteen, he dragged his sick body to the throne and worked conscientiously as a puppet emperor in the hands of the courtiers and eunuchs. Everyone says that the great general Wei Tingjun has wild ambitions, and is intentionally revolting however, Ji Jinrong felt that Wei Tingjun was not staring at the throne but at him, who was sat on the throne!

Ji Jinrong carefully tempted: “If I die you can be the emperor.”

Wei Tingjun: “You dare die, I’ll have everyone buried with you!”

Ji Jinrong: “…..”

See, it wasn’t his misconception.

So even if it was to just tie the head of the wolf, he (JYR) won’t die easily.

Ji Jinrong: It’s getting cold, its time to ruin the country. I (imperial) have to go back and look for (tie) the great general!

- Description from Novelupdates

Elijah unexpectedly travels back to the day when the virus broke out. Confronted with his zombified roommate and the perilous situation of the roommate's girlfriend, he decides to take action. In this post-apocalyptic world, he vows to become the strongest man and create an incredibly secure refuge.

The story begins with Elijah's rebirth as he discovers the opportunity to change the future. He becomes close companions with his roommate Bella and her husband Alexander. However, when Alexander is infected and turns into a zombie, Elijah must act decisively to protect himself and Bella.

Elijah awakens to a supernatural ability called the “Seed of Consciousness,” which allows him to control zombies, becoming his weapon for survival. He uses this power to strengthen himself continuously and seek the path of survival. However, his relationship with Bella starts to undergo subtle changes, forcing him to confront emotional challenges.

As the story unfolds, readers will immerse themselves in gripping plots and complex character relationships. Elijah's growth, struggles, and emotional development with numerous women in the post-apocalyptic world form the core of the story. It's a world full of challenges and opportunities, and Elijah's narrative is about continuous growth and overcoming oneself, showing readers the hardships of surviving in the apocalypse and the complexity of human nature.

Gu Qingcheng has a fiery temper and is a well-known little princess in Jiangcheng, and she has a good boyfriend who spoils her to the sky.

Only her boyfriend’s cousin, Huo Sicheng, opposed her everywhere, and the two were notoriously deadly rivals.

However, at the engagement banquet, when Gu Qingcheng regretted the marriage in public and announced that she was going to marry the disabled Huo Sicheng who was in a wheelchair, the jaws of all the guests dropped in shock.

Just when everyone thought that the couple would fight to the death in private, guessing that either one of them wanted to keep their husband widowed or the other wanted to keep their wife widowed, but the fact is…

“Husband, I’m stuck in traffic and come back a few minutes late. Open the door and let me in.” Gu Qingcheng knocked on the bedroom door with a pitiful expression.

“Sleeping in the living room.” Huo Shao’s indifferent voice came from the room.

“Honey, someone bullied me today.”

The person who bullied Gu Qingcheng disappeared the next day.

“Honey, they all say I’m so fierce.”

Huo Shao glanced at Gu Qingcheng, and opened his thin lips lightly: “They are talking nonsense, you are not fierce at all.”

From then on, Gu Qingcheng set fire to Huo Shao and handed firewood, Gu Qingcheng abused the scum and Huo Shao handed the knife, and the husband and wife worked together without getting tired.

Only Gu Qingcheng knew that before her rebirth, she was provoked and misunderstood by a scumbag to misunderstand Huo Sicheng. After her rebirth, she abused the scum and slapped him in the face, and loved Huo Sicheng with her life.

- Description from novelbuddy

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.