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Heart Level cover

Heart Level

Story Tokkisamchon, Uncle Bunny · Art Seoul Sup Druid, SFD

두근두근 업앤다운 / Thump Thump Up & Down

Ongoing
Jan 2026
3.8 out of 5,4 ratings

Romance
System

Gitaek, who has never had any experience with women, suddenly starts seeing mysterious numbers floating above women’s chests. At first, he thinks they represent attraction—but soon realizes they actually indicate arousal levels. As he struggles to understand this strange new ability, one number shocks him more than any other: the innocent-looking beauty next door has a reading of 89.(Source: Toomics, translated)

Characters

Kang Gi-taek
Kim Hee-yeon
Oh Da-Young
Park Ji-eun
Jeon Bu-Hee

Chapters

Jump to chapter number

All
Clit Stimulation
Cunnilingus
Defloration
Doggystyle
Fingering
First Time
Missionary
Multiple Orgasms
Riding
Squirting
Stand And Carry

Chapter 41Sep 19
Chapter 39Sep 6
Continues the scene from ch. 34
- Kang Gi-taek

Reviews

3.8 out of 5, 4 ratings

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Park Ji-eun

Clit Stimulation
Cunnilingus
Defloration
Doggystyle
Missionary
Riding
Stand And Carry

Chapter 38Sep 1

Continues the scene from ch. 34

Kang Gi-taek
Park Ji-eun

Clit Stimulation
Cunnilingus
Defloration
Doggystyle
Missionary
Riding
Stand And Carry

Chapter 365d ago

Continues the scene from ch. 34

Kang Gi-taek
Park Ji-eun

Clit Stimulation
Cunnilingus
Defloration
Doggystyle
Missionary
Riding
Stand And Carry

Chapter 35Sep 26

Continues the scene from ch. 34

Kang Gi-taek
Park Ji-eun

Clit Stimulation
Cunnilingus
Defloration
Doggystyle
Missionary
Riding
Stand And Carry

Chapter 34Sep 19

Scene spans ch. 34–39

Kang Gi-taek
Park Ji-eun

Clit Stimulation
Cunnilingus
Defloration
Doggystyle
Missionary
Riding
Stand And Carry

Chapter 33Sep 12

Chapter 32Sep 5

Chapter 31Aug 30

Chapter 30Aug 22

Chapter 29Aug 18

Chapter 28Aug 8

Chapter 27Aug 2

Continues the scene from ch. 26

Kang Gi-taek
Oh Da-Young

Chapter 26Jul 26

Scene spans ch. 26–27

Kang Gi-taek
Oh Da-Young

Chapter 25Jul 17

Chapter 24Jul 14

Chapter 23Jul 6

Chapter 22Jun 28

Chapter 21Jun 21

Continues the scene from ch. 17

Kang Gi-taek
Kim Hee-yeon

Chapter 20Jun 12

Continues the scene from ch. 17

Kang Gi-taek
Kim Hee-yeon

Chapter 19Jun 6

Continues the scene from ch. 17

Kang Gi-taek
Kim Hee-yeon

Chapter 18Jun 5

Continues the scene from ch. 17

Kang Gi-taek
Kim Hee-yeon

Chapter 17May 26

Scene spans ch. 17–21

Kang Gi-taek
Kim Hee-yeon

Chapter 16May 22

Chapter 15May 10

Chapter 14May 5

Chapter 13Apr 23

Continues the scene from ch. 11

Kang Gi-taek
Kim Hee-yeon

Chapter 12Apr 23

Continues the scene from ch. 11

Kang Gi-taek
Kim Hee-yeon

Chapter 11Apr 11

Scene spans ch. 11–13

Kang Gi-taek
Kim Hee-yeon

Chapter 10Apr 4

Chapter 9Mar 27

Chapter 8Mar 20

Chapter 7Mar 20

Continues the scene from ch. 6

Kang Gi-taek
Kim Hee-yeon

Scene spans ch. 6–7

Kang Gi-taek
Kim Hee-yeon

Chapter 5Feb 25

Chapter 4Feb 25

Continues the scene from ch. 2

Kang Gi-taek
Kim Hee-yeon

Fingering
First Time
Multiple Orgasms
Squirting

Chapter 3Feb 25

Continues the scene from ch. 2

Kang Gi-taek
Kim Hee-yeon

Fingering
First Time
Multiple Orgasms
Squirting

Chapter 2Feb 24

Scene spans ch. 2–4

Kang Gi-taek
Kim Hee-yeon

Fingering
First Time
Multiple Orgasms
Squirting

Chapter 1Feb 24

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