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Updated 5 years ago
Summary
So that girl finally grew up? My neighbor Jieun suddenly came to share my room and motivate me sexually. I am Haeyoung, a student who is motivated because I will finally be able to have sex with my girlfriend Senna, after a long relationship, but... [Original Webtoon](https://toptoon.com/comic/ep_list/a_knowing_sister) **Official Translations:** [T.Chinese](https://www.toptoon.net/comic/epList/80896)
- Author
- Dosinyeo / City Girl
- Demographic
- Seinen
- Format
- Long Strip
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