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A Secret Lesson With My Younger Sister

Rating

A Secret Lesson With My Younger Sister Average 5 / 5 out of 47

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336,221

Alternative

Secret Lessons With My Younger Sister / 여동생이랑 비밀 레슨

Genre(s)

Adult, Comedy, Drama, Mature, Romance, Seinen, school_life

Release

2025

Status

Ongoing

Comments

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Summary

“I heard you’re really good at sex.” Jinyoung, known among his friends as a sex master, is actually inexperienced and as single as could be.However, when he’s questioned by his 20-year-old sister, Bomi, 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.