Other name: A Secret Lesson With My Younger Sister manhwa
Status:On going
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Summary
“I heard you’re really good at sex.” Jinyoung, known among his friends as “Sex Professor,” is actually inexperienced and as single as could be.
However, when he’s questioned by his 20-year-old sister, Bom, Jinyoung pretends to be experienced and lies. After that day… Every night, my sister now comes to my room without our parents knowing. This is a problem.
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List chapters (82)
- Chapter 821375 view - 08/10/2025
- Chapter 812621 view - 28/09/2025
- Chapter 803280 view - 21/09/2025
- Chapter 793464 view - 17/09/2025
- Chapter 783952 view - 12/09/2025
- Chapter 774790 view - 31/08/2025
- Chapter 764309 view - 23/08/2025
- Chapter 754231 view - 20/08/2025
- Chapter 744546 view - 18/08/2025
- Chapter 735574 view - 31/07/2025
- Chapter 725156 view - 29/07/2025
- Chapter 715462 view - 18/07/2025
- Chapter 705529 view - 13/07/2025
- Chapter 695833 view - 06/07/2025
- Chapter 685946 view - 01/07/2025
- Chapter 676018 view - 26/06/2025
- Chapter 666129 view - 20/06/2025
- Chapter 656797 view - 07/06/2025
- Chapter 646804 view - 01/06/2025
- Chapter 636932 view - 21/05/2025
- Chapter 626817 view - 17/05/2025
- Chapter 617882 view - 09/05/2025
- Chapter 608653 view - 30/04/2025
- Chapter 598030 view - 24/04/2025
- Chapter 588572 view - 07/04/2025
- Chapter 576825 view - 06/04/2025
- Chapter 567327 view - 28/03/2025
- Chapter 557549 view - 21/03/2025
- Chapter 547651 view - 14/03/2025
- Chapter 538046 view - 08/03/2025
- Chapter 528142 view - 27/02/2025
- Chapter 517550 view - 18/02/2025
- Chapter 508762 view - 13/02/2025
- Chapter 497885 view - 05/02/2025
- Chapter 487891 view - 01/02/2025
- Chapter 478691 view - 23/01/2025
- Chapter 469321 view - 16/01/2025
- Chapter 457357 view - 16/01/2025
- Chapter 446671 view - 16/01/2025
- Chapter 436671 view - 16/01/2025
- Chapter 427628 view - 16/01/2025
- Chapter 417708 view - 16/01/2025
- chap 4010229 view - 02/12/2024
- chap 398827 view - 26/11/2024
- chap 388983 view - 18/11/2024
- chap 378993 view - 11/11/2024
- chap 369697 view - 07/11/2024
- chap 3510073 view - 01/11/2024
- chap 348697 view - 24/10/2024
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- chap 329318 view - 07/10/2024
- chap 3110059 view - 30/09/2024
- chap 3010354 view - 23/09/2024
- chap 299017 view - 16/09/2024
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- chap 279952 view - 02/09/2024
- chap 269839 view - 26/08/2024
- chap 2510418 view - 19/08/2024
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- chap 2310606 view - 05/08/2024
- chap 2211085 view - 29/07/2024
- chap 2111343 view - 22/07/2024
- chap 2013495 view - 15/07/2024
- chap 1913019 view - 08/07/2024
- chap 1813346 view - 01/07/2024
- chap 1713236 view - 25/06/2024
- chap 1613405 view - 17/06/2024
- chap 1514722 view - 10/06/2024
- chap 1414353 view - 04/06/2024
- chap 1314587 view - 03/06/2024
- chap 1215618 view - 27/05/2024
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- chap 0519031 view - 20/05/2024
- chap 0422386 view - 15/05/2024
- chap 0323703 view - 15/05/2024
- chap 0231508 view - 14/05/2024
- chap 0143494 view - 13/05/2024