Nayoung, a newlywed bride, looks forward to welcoming her husband back home after working overnight as a police detective. But she comes home only to learn he had been murdered. Unable to trust the police, she takes matters into her own hands to uncover the truth. Too bad for them, though. Nayoung turns out to be a former North Korean spy and notorious elite assassin known to intelligence agencies by the code name "Tarantula." How will the Tarantula avenge her husband's death? (Source: WEBTOON)

One day, my bias suddenly appeared in front of my eyes. I thought I was finally getting rid of my title as the 'unlucky fangirl". Little did I know, the first thing my bias said to me was, "Stop bullying her." My bias was as cold as ice, and next to him was the tragic heroine, 'Rahee'. When there's a heroine, there's always a viallaness. But that villaness is.... me? I ended up as a villain in a fan ficition overnight. This is not what I asked for! I want to go back! (Source: POCKETCOMICS)

Those who die mysterious deaths go on to become legends. All according to plan. Morality and mortality become intermixed in this action packed thriller that demands the reader to answer the ultimate question: what exactly is worth dying for? Meet the man with no name as he embarks on a righteous quest to lend his particular set of talents to those in need at a very high cost, the cost of living. To save lives you must take lives and no one does it better than the Death Architect. (Source: Tapas)

Tender-hearted Jerenia is married to the most uncaring and disrespectful husband, Vincent Mercier. Her in-laws undermine and abuse her daily, but Jerenia believes that if she bears a child, she could be respected as part of the dukedom. After trying for seven years, she finally conceives a child, only to find out that Vincent's been cheating on her with her childhood friend, Erica. Vincent conspires to kill his wife, but surviving the murder attempt has turned Jerenia into a woman of vengeance. (Source: POCKETCOMICS) *Note: First released in English, with the initial eligible release in Japanese followed by Korean, making it a manga by our standards.*

Celebrating failure. Feeling like a failure after giving up her lifelong dream, Kkang-Jang travels to Iceland, a country where failure is embraced — and also one of the most expensive places in the world. Can she make her journey work on a shoestring budget? Follow along as she travels with the help of a guardian spirit! (Source: Manta)

Twin brother or lover? What would happen in colorful college life? A series of unforgettable touching stories caused by mistaking a guy for a twin brother... (Source: WebComics)

There is a competition for those who possess the spirit weapons. Only someone with one of these weapons can defeat another. Enter our protagonist, a clumsy flower girl who one day embarrasses a weapon master.

A world of war that has lasted for 100 years. Fuugo and Roka are childhood friends of the Kingdom of Asdorm. When the fates of two people who were once separated are reunited, a new threat that has never been seen before strikes them. Einstein, Edison... Genius greats who have been reincarnated in a war-torn other world compete with all their best intellect, the Five Kingdoms War begins!!!

‘Meok Gwi-Sa’ is a Monster Hunter who eats monsters to protect the human world. After the release of the Hell demon, he lost his power. He managed to survive and met Goyoung. Goyoung, is a young individual with a petite build, who has endured a lifetime of torment due to his physical stature. His childhood friend, Kang Jong-bo, suddenly transforms into a bully during high school. However, their lives take an unexpected turn when Goyoung acquired a mysterious power which is the ability to devour monsters. Goyoung embarks on a perilous journey to protect humanity from the impending threat of the Gate to Hell. Will he be able to control his new powers and save the world from its impending doom? (Source: Naver, translated)

On earth's last day the survivor is a hikkikomori?

"What I want is a 'future where I don't die', that's all." Adela, the young damsel of the Laver family, a line of magicians, has always lived by total dedication and meek obedience to earn her family's love. However, one day, after being pushed by a servant and banging her head, she recovers her memory of her previous life and discovers that she is destined to be murdered. Realizing her future, Adela stops pursuing her goal of winning her family's love at all costs. If her life is to be unhappy and unrequited, she prefers to live according to her own desires, leave her family now, and live peacefully as a commoner. It was her decision, but... (Source: KakaoPage, translated)

The story is exactly the same as the title! "The Story of a High School Girl That Wants to Engage in Sugar Mama Activities With a Middle School Boy."