History of Scruffiness

History of Scruffiness (Korean: 찌질의 역사) is a 2025 South Korean romantic comedy television series written by Kim Poong, directed by Kim Sung hoon and starring Jo Byeong-kyu, Ryeoun, Jung Jae-kwang, and Jung Yong-ju. It is based on the Naver Webtoon of the same name written by Kim Poong and illustrated by Shim Yoon-soo. It premiered on Wavve on February 26, 2025, and aired every Wednesday at 11:00 (KST).^[1][2][3][4]

History of Scruffiness
Promotional poster
Hangul	찌질의 역사
Lit.	History of Losers
RR	Jjijirui yeoksa
MR	Tchijirŭi yŏksa
Genre	Romantic comedy
Based on	History of losers by Kim Poong
Written by	Kim Poong
Directed by	Kim Sung-hoon
Starring	Jo Byeong-kyu Ryeoun Jung Jae-kwang Jung Yong-ju
Country of origin	South Korea
Original language	Korean
No. of episodes	8
Production
Running time	60 minutes
Production company	HB Entertainment
Original release
Network	Wavve
Release	February 26 (2025-02-26) – March 19, 2025 (2025-03-19)

Synopsis

It depicts the growth of four twenty-year-old boys through love and separation.^[5]

Cast

Main

• Jo Byeong-kyu as Seo Min-ki^[6]
• Ryeoun as Noh Jun-seok^[7]
• Jung Jae-kwang as Kwon Ki-hyuk^[8]
• Jung Yong-ju as Lee kwang-jae^[9]

Supporting

• Song Ha-yoon as Yoon Seol-ha^[10]
• Bang Min-ah as Kwon Seol-ha^[11]
• Hwang Bo-reum-byeol as Choi Hee-sun^[12]
• Jo Yun-seo as So Ju-yeon^[13]
• Jung Shin-hye as Kim Chae-yeong^[14]
• Lee Min-ji as Oh Yeon-jeong^[15]