The Commander's Useless Wife Is Actually a Hidden Boss! - Chapter 30 - 0 A level is just the entry standard

Lin Luo was originally an ordinary college student. But once she crossed over, she came into the land of beasts, where the primitive forest is full of danger.

However, she met all kinds of beautiful men of different races to protect her, and got a lot of love.

Lin Luo: “Uh, different races can have children? Don’t be ridiculous. Interracial love is impossible to have results.”

A group of beautiful men: “As long as you’re willing, you can have results.”

- Description from Novelupdates

Hyde arrives in a doomed world with nothing but his body and fragmented knowledge of the future from a game he once played. He has no grand ambition—why try to save a world already destined to fall? Survival is enough.That is, until he discovers his sister is also transported into that world.However, only he hears the Melody of Nightingale and receives the power to survive.[You have established a connection with The Forgotten Hollow.]Awakening as a Resonant—an elite group with supernatural abilities—he is thrust into a conflict between two worlds. Armed with the authority of space and time, he vows to protect his powerless sister at all cost, even if he has to fight against the Mirage creatures, other Resonants, or even Gods themselves.

Ding Ning was just an ordinary youngster from a small border town in southwest China, but he had learned tremendous medical skills from his masters since his childhood. After graduating from college, he stayed in Ninghai City and tried to seek a job in a hospital there, but things did not go well at first. However, he accidentally saved Shen Muqing who was from a rich and powerful family, and then got involved in the confrontation between Ninghai special police team and a mysterious organization called Vampire Mercenary Group in order to protect Ling Yun who was his landlord’s daughter. It became the turning point of his life. After that, he started an incredible adventure during which he would find out the real identities of his father and masters and discover the secrets behind the mysterious organization Vampire Mercenary Group and the special weapons and tactics team Dragon Soul…
The story tells about how he opened nine apertures, fought with rogues, chased after various pretty girls and established a rich and powerful family by himself. He climbed up to the peak of his life step by step, and finally became medical sovereign.

- Description from Novelupdates

Davi was born into a prestigious family of powerful explorers, yet he did not inherit his father’s legendary class.Because of this, he was scorned throughout his childhood. Still, through relentless determination and the support of his best friend, he managed to save enough money to leave his hometown and enroll in the Explorer Academy.Then fate dealt him an unexpected hand, and he received the bizarre class [Harem King] and began his journey to become the greatest explorer of all time.What to expect of the story:- A lot of tension and life-or-death battles- The protagonist’s growth through hard work- And, of course, a harem.