Thriller Manga Online | MangaKakalot

Gigantor

A mysterious robot suddenly appeared in the city of Tokyo. Shotaro Kaneda, a boy detective, approaches the mystery of the robot weapon "Tetsujin 28-go" developed by the Japanese Army during the war. What exactly is Tetsujin's true nature?

In a World Full of Zombies I'm the Only One Who Doesn't Get Attacked

Yuusuke Takemura, a former office worker, is bitten by a zombie... or so he thought. After waking up, the town is full of zombies, but none of them attack him! Who knows what to do now... but if the world is in ruin the least you can do is try to live freely. In trying to set himself up for simple living, he comes across another survivor... a girl named Mitsuki. "Please... Help us!" Nothing comes for free, so Takemura agrees to share supplies in exchange for favors from Mitsuki...

Dayseller

Tick, tock... As the sound of the clock grows louder, another misfortune is about to happen. Daysellers absorb humans’ negative emotional time for sustenance. A story of daysellers delving deep into the minds of humans!

2R4M

Since Ai Abe's arrival to his classroom, G's life is being agitated by strange occurrences.

Dayseller

Tick, tock... As the sound of the clock grows louder, another misfortune is about to happen.<br> <br> Daysellers absorb humans’ negative emotional time for sustenance. <br> <br> A story of daysellers delving deep into the minds of humans!

Mentori-Sama

Rengoku-Jima

Jin-Yi Hak killed five men and called it justice, the world called it murder. Now he’s trapped on Rengoku-Jima: a prison island said to be worse than hell itself.

Blind Obedience

When a young Hwa-rim accidentally unleashes Jin—a malevolent snake god sealed away by her grandmother, a legendary master shaman—the entity immediately claims her body. To save Hwa-rim from total possession, her grandmother makes the ultimate sacrifice, trading her own life for the girl’s soul. Years pass, and Hwa-rim is now a high school student living in constant paranoia, hiding from the ancient spirit that still relentlessly hunts her. But her quiet sanctuary shatters when Bong-gil, a boy from her school, becomes Jin’s newest vessel. Armed with a familiar face, Jin begins to use Bong-gil to draw Hwa-rim out of the shadows…

Dog Eat Dog

Years ago, a man went to prison after being forced to serve as a body double and take the fall for a wealthy mogul. Now, he returns with the exact same face to exact his revenge on Kim Myungwoo, who believed he could discard him like a stray dog. As the former double assumes his master’s identity, the prisoner transforms into a lethal hunter to turn the tables in a dangerous game of vengeance.

Delete (2L)

Kang Ui-jun wakes up in a hospital after losing his memory following an accident. The only one who stays by his side is Eun Jae-hyun, who introduces himself as his 'lover'. Amidst confusion and resistance, Eui-jun gradually opens his heart to Jae-hyun's kind consideration. However, something bothers him. Whenever he asks about the past, Jae-hyun subtly changes the subject and gives vague answers at crucial moments. What is Eun Jae-hyun hiding? And what truth remains within the erased memories?

Jibaku Shounen Hanako-Kun

"Hanako-san, Hanako-san...are you there?"At Kamome Academy, rumors abound about the school's Seven Mysteries, one of which is Hanako-san. Said to occupy the third stall of the third floor girls' bathroom in the old school building, Hanako-san grants any wish when summoned. Nene Yashiro, an occult-loving high school girl who dreams of romance, ventures into this haunted bathroom but the Hanako-san she meets there is nothing like she imagined! Kamome Academy's Hanako-san actually is a boy!

I Want To Be Killed By Your Beautiful Self

Hijiri Tomoaki, a university counselor, lives a peaceful yet unfulfilling life. However, his life changes completely after he reunites with an old acquaintance, Amawashi Hajime. The mysterious problems his patients bring to him gradually begin to infringe on his daily life. What is the true nature of the strange phenomena in which they become embroiled, and what is the true purpose of Hajime, who suddenly appears before Tomoaki?

Between Two Men’s Secretary

<b>Original Webtoon:</b> <br> <a href="https://comic.naver.com/webtoon/list?titleId=845221" target="_blank" rel="noopener noreferrer">Naver Webtoon</a>, <a href="https://series.naver.com/comic/detail.series?productNo=13439322" target="_blank" rel="noopener noreferrer">Naver Series</a>

Even if I Fall Into a Ghost Story, I Still Have to Go to Work

I sacrificed my precious vacation to attend a pop-up event of a certain modern fantasy I loved so much.<br> And on that very day, I got transported into that fantasy world.<br> As none other than a newly hired employee at a renowned major corporation! A dream workplace with tons of benefits, a high salary, and kind, competent supervisors.<br> Using my knowledge of the world, I quickly climb the corporate ladder!<br> But am I happy, you ask?<br> Please, let me go back home.

Sora Yori Takaku

/ Higher Than the Sky When the Devil King announces his retirement, he calls forth his two sons, Yomi and Sora, to give them each a quest. Whichever of them finds a pure Yamato maiden within a year would inherit the throne of the Devil King, while the other would die. Thus begins Sora's s**-fuelled adventure to find a woman that can satisfy his father

I Accidentally Became Invincible While Studying With My Sister

Zhong Yuan watched helplessly as his sister, Zhong Lan, died in front of him, but he was powerless. After a rebirth, Zhong Yuan vowed to protect his sister. Returning to life, Zhong Yuan discovered that he had gained the ability to successfully absorb 100% of the Resonance Crystals from creatures. Inadvertently, he became invincible!

Koukou Tekken-den Tough

Nobody enjoys a good fight more than "Kiibo" Miyazawa, a high school student whose father is training him in the family's secret martial art. Kiibo dreams of becoming the next Bruce Lee, but his awesome fighting skills may soon surpass his idol's!

Formless Form

A story about a Maoshan Master fighting against demons! An invincible Maoshan Taoist meets a girl working part-time jobs who's in trouble.

Koukou Tekken-den Tough

Nobody enjoys a good fight more than &quot;Kiibo&quot; Miyazawa, a high school student whose father is training him in the family&#039;s secret martial art. Kiibo dreams of becoming the next Bruce Lee, but his awesome fighting skills may soon surpass his idol&#039;s!

Distress

Lenny, a young French student, arrives in Montreal to pursue his journalism studies. As part of a class assignment, he meets Anoki, a quiet Algonquin student, and the two are paired up as a team. Their investigation soon draws them into a mysterious monster hunt. Caught between myths and legends and possible deception, the two boys challenge each other’s beliefs and gradually form a deep bond. But what will happen when they are forced to share their secret?

Spooky in Love

Beautiful, wealthy, and smart, Yeori Cheon is a chaebol heiress cursed with the ability to see ghosts. In order to appease the restless spirits, she secretly helps them find their missing bodies. When she meets Gang-uk Ma, a prosecutor investigating unsolved murder cases, the two join forces to solve paranormal cases. As they confront increasingly dangerous cases, an unexpected romance begins to blossom.

Look-Alike Daughter

City of Sins

Born of demon and elf blood, a boy burdened with crushing expectations steps boldly onto a battlefield of ruin and renewal. Driven by an unbreakable obsession, he forges through rivers of molten lava, shatters realms of eternal ice, and battles across barren wastelands, all for a single purpose: to surpass the towering figure far ahead. One day, when he finally drives his blade into the earth and surveys the silence around him, he finds no enemies left standing. Only then does he realize that the insurmountable peak he once chased now lies beneath his feet. Associated Names City of Sin / Zui’e Zhi Cheng / Sin City / Tội Ác Chi Thành / Zuì’è Zhī Chéng / 罪恶之城 / 闇に選ばれし魔法アカデミーの天才

Ghost Dating Simulation

Struggling streamer **Doyeon Choi** downloads a mysterious dating sim game, ***Heart-Racing Ghost Dating Sim***, only to find himself trapped in a deadly loop-- where the love interests are real-life ghosts with unresolved deaths. From haunted highways to murder cases, **Doyeon** must navigate a world where romance, horror, and mystery collide. Every wrong move could cost him his life...again.