Episode 1

After falling through the crack of time and space, Da-dong finds that everything familiar...

Episode 2

The new boss of class KO One and Da-dong are at odds with each other. While chasing a thie...

Episode 3

Upon learning of Wan-jun's secret, Da-dong asks an old classmate to help. Ling-ling is in...

Episode 4

Unaware that he has become a spoiler, Da-dong takes part in a school election. Huang Fei,...

Episode 5

Da-dong's ballots are burned, but he is unwilling to accept defeat. Just at the nick of ti...

Episode 6

Not being able to understand the good intentions of Da-dong, Lei Ting keeps fighting with...

Episode 7

Romantic feelings are growing between Lei Ting and Da-dong. What's-his-name discovers an u...

Episode 8

Lei Ting causes an misunderstanding as she tries to stop Xiao-jie from a wrongdoing. Hopin...

Episode 9

Wan-jun feels bitter as Lei Ting cares more and more about Da-dong, who receives a bizarre...

Episode 10

The identity of the "Non-existent Student President" is finally exposed! A mysterious pers...

Episode 11

Class KO One is shocked when the identity of the kidnapper is exposed. Lei Ting realizes h...

Episode 12

Due to a strange combination of circumstances, Lei Ting and Da-dong are trapped on an isla...

Episode 13

Lei Ting decides to tell Da-dong her feelings, but someone spoils the mood. A man descends...

Episode 14

Lei Ting finally tells Da-dong about her feelings. Wan-jun beats up Da-dong for Lei Ting,...

Episode 15

Da-dong's memory is in disarray. Ling reveals his identity to Da-dong and explains what ha...

Episode 16

Da-dong gradually loses his memory. Class KO One prepares a surprise for Da-dong, who is d...

Episode 17

Lei Ting is unhappy. Qiu Qiu is looking for a missing item, but Ling misunderstands and di...

Episode 18

Everyone in KO One tries to pull out the best tricks to help Qiu Qiu pass the test. Qiu Qi...

Episode 19

Lei Ting begins to see hallucinations accompanied by severe headaches. Wan-jun's house is...

Episode 20

Lei Ting must confront the past that she has been reluctant to face; her past with Wan-jun...

Episode 21

The sealed memory of Lei Ting is unraveled, but the truth breaks her down and drives her t...

Episode 22

Lei Ting reveals the secret to her classmates and reconciles with Wan-jun. The class is in...

Episode 23

Ling and Wan-jun work together to investigate Geng Lie. Wan-jun rushes to the rescue when...

Episode 24

Wan-jun decides to break ties with Lei Ting. Geng Lie saves a girl who keeps calling him "...

Episode 25

Wu-xiong tells Geng Lie about her love for him, but it only makes his heart ache. Lei Ting...

Episode 26

In order to bring King Arthur back, Wu-xiong decides to look into the memory from ten year...

Episode 27

Lei Ting and Wan-jun decide to face the future together. To protect the two of them, Hua L...

Episode 28

Everyone thinks it's too much when Hua Ling-long goes after Qiu Qiu. With the raging epide...

Episode 29

While facing off with Professor Pang, Lei Ting stumbles on an unbelievable truth. Prof. Pa...

Episode 30

The end is near, and the virus is spiraling out of control. Professor Pang feels a strong...

Episode 1

The KO List undergoes dramatic changes. Da-dong is assigned to return to class KO One to i...

Episode 2

Da-dong and Wan-jun are ambushed as they investigate the reason of the abnormal fighting c...

Episode 3

Everyone is shocked when the new class teacher shows up. A letter Lei Ting receives prompt...

Episode 4

The class is on the verge of conflict as three ill-intentioned mysterious characters trans...

Episode 5

Da-dong suddenly intervenes when Lei Ting and Gu Zhan battle against each other. The magic...

Episode 6

What's-his-name wants to win Li Yan-yan's heart, but things do not go as planned. A puzzle...

Episode 7

Da-dong receives a critical phone call, which is hung up by Yun-han. Soon after, the cellp...

Episode 8

Jin Bao-san is heartbroken. Lei Ting and Da-dong accidentally discover an unknown side of...

Episode 9

Everyone in the class receives an invitation. Wan-jun becomes aware of Lei Ting's feelings...

Episode 10

Hua Ling-long tracks down the druggie, and the recording of the drug deal also comes to li...

Episode 11

Da-dong and Lei Ting become closer, which makes Wan-jun jealous. Zhi Ge's father discovers...

Episode 12

Wan-jun suddenly professes his love to Lei Ting. Jin Bao-san is hypnotized and attempts to...

Episode 13

Da-dong adopts the experience of others in order to understand how he feels. Despite the u...

Episode 14

Zhi Ge discovers a talking door. Hei-long secretly sneaks into Bale High school. Gu Zhan a...

Episode 15

Zhi Ge starts to question the real identity of Secretary Li. Zhi Ge's father begins to loo...

Episode 16

Hei-long forces Zhi Ge to open the broadcasting room's door by holding Gu Zhan hostage. Ev...

Episode 17

Wan-jun shows signs of amnesia, but there is nothing Lei Ting can do. Da-dong is finally b...

Episode 18

Gu Zhan rushes to the hospital after being notified that his mother is critically ill. A f...

Episode 19

There is a remedy for Wan-jun's symptoms, but he will have to pay a great cost. Da-dong re...

Episode 20

Zhi Ge is taken by a mysterious figure. Gu Zhan strives to save him, yet Hei-long appears...

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