He's Definitely My Son! 
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Description
After a one-night stand with Duke Klauzner, Baroness Claire Delford flees the capital when her sweet sister Elisa gets caught up in a dangerous political conflict. Five years later, Claire stirs up high society when she returns with her nephew, Elliot. Despite her adamant denial, everyone believes Elliot to be the duke's son. Can Claire clear up the misunderstanding and protect her nephew from scheming nobles? And does this mean she has to join hands with the prideful Duke Klauzner to do it?
Type
Manhwa
Related Series
N/A
Associated Names
I'm Sure It's My Baby
I'm Sure That's My Baby
Obviously, He's My Child
The Child's Father Is Clear
ไม่ผิดแน่ เด็กคนนี้คือลูกของผม
たしかに私の子供です
肯定是我的孩子
这肯定是我的孩子
내 아이가 분명해
Groups Scanlating
Latest Release(s)
Status in Country of Origin
106 Chapters (Ongoing)
S1: 41 Chapters (1-41)
S2: 43 Chapters (42-84)
S3: 10+ Chapters (85~?)
Completely Scanlated?
No
Anime Start/End Chapter
N/A
User Reviews
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Average: 6.3 / 10.0 (22 votes)
Bayesian Average: 6.27 / 10.0
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Last Updated
November 24th, 2025 10:29pm PST - 4 days ago
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Genre
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Category Recommendations
Recommendations
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Author(s)
Artist(s)
Year
Original Publisher
Serialized In (magazine)
KakaoPage (Kakao)
Kakao Webtoon (Daum)
Licensed (in English)
Yes
English Publisher
Activity Stats (vs. other series)
Weekly Pos #766 
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(-20)Monthly Pos #1359 (-340)
(-340)3 Month Pos #2534 (-364)
(-364)6 Month Pos #3031 (-156)
(-156)Year Pos #2917 
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(+1110)List Stats
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