Summary
 Lesson S (Official)
Sang-chul has just returned from the army. He’s trying to win over the freshman queen, Yeon-oh, but… With his pride wounded, Sang-chul asks Hee-soo to teach him the techniques, and so begins a secret and special class! Hee-soo and Sang-chul’s sex class. Will it ever end…?
- Chapter 20 - Episode 20 May 22, 2025 23,999
- Chapter 19 - Episode 19 May 15, 2025 15,688
- Chapter 18 - Episode 18 May 6, 2025 13,562
- Chapter 17 - Episode 17 May 1, 2025 13,756
- Chapter 16 - Episode 16 April 24, 2025 14,442
- Chapter 15 - Episode 15 April 17, 2025 14,059
- Chapter 14 - Episode 14 April 8, 2025 13,790
- Chapter 13 - Episode 13 April 4, 2025 14,969
- Chapter 12 - Episode 12 March 25, 2025 17,822
- Chapter 11 - Episode 11 March 18, 2025 17,843
- Chapter 10 - Episode 10 March 11, 2025 18,768
- Chapter 9 - Episode 09 March 4, 2025 19,353
- Chapter 8 - Episode 08 February 27, 2025 22,005
- Chapter 7 - Episode 07 February 18, 2025 21,474
- Chapter 6 - Episode 06 February 13, 2025 22,120
- Chapter 5 - Episode 05 February 6, 2025 23,280
- Chapter 4 - Episode 04 January 30, 2025 24,858
- Chapter 3 - Episode 03 January 25, 2025 19,442
- Chapter 2 - Episode 02 January 25, 2025 15,974
- Chapter 1 - Episode 01 January 25, 2025 19,052
She’s jealous