Im Chang-kyun is a South Korean rapper and songwriter, also known by the stage name I.M. He is a member of South Korean boy group Monsta X and has been a credited writer on the majority of their discography. Since Monsta X's debut in 2015, I.M has been involved in songwriting for the group's discography, primarily in writing his raps for all of their albums. In addition to Monsta X's discography, he writes and produces for his solo work and collaborative projects.
Since 2020, the songs he composed for Monsta X have charted on the Billboard World Digital Song Sales chart. For Monsta X's album Fatal Love, the song "Night View", on which he was both a writer and composer for, ranked number thirteen on the chart, without separate promotions or performances, as a single. "Rotate", the song in which he wrote and composed for Monsta X's ninth EP One of a Kind, also placed number thirteen on the chart.
In addition to his work in Monsta X, I.M debuted as a soloist on February 19, 2021 with his self-produced EP Duality, along the title track "God Damn". I.M was noted as showing versatility as an artist and expanding his musical style with his solo EP, when compared to his work in Monsta X. Furthermore, all the tracks from Duality charted on the weekly Billboard World Digital Song Sales chart, accounting for 20% of that week's chart when it was released.
As of December 2025, I.M has a total of 152 writing and producing credits registered with the Korea Music Copyright Association (KOMCA).
Songs All credits are adapted from the KOMCA, unless stated otherwise.
2015 Artist(s)SongAlbumLyricsMusicArrangementCreditedWithCreditedWithCreditedWithMad Clown, Giriboy, Jooyoung (feat. No.Mercy contestants)"0 (Young)"No.Mercy OST Part 3Jooheon, Mad Clown, Jooyoung, Hong Si-young, GeorgeMonsta X"No Exit"TrespassRhymer, Jooheon, KihyunRhymer, Lissie, Kihyun"One Love"Nago, JooheonNago, Lee Ji-hoon"Steal Your Heart"Rhymer, Wonho, Jooheon"Blue Moon"JooheonNago"Interstellar"Jooheon, Yella Diamond"Rush"RushGiriboy, Jooheon"Hero"Punch Sound, Rhymer, Jooheon"Perfect Girl"Esbee, Lissie, 9999, Jooheon"Broken Heart"Rescue the Beat, Kim Seung-joon, JooheonJooheon (feat. I.M, Sam Ock)"Flower Cafe"Flower CafeJooheon, Sam Ock, A June & J Beat
2016 Artist(s)SongAlbumLyricsMusicArrangementCreditedWithCreditedWithCreditedWithMonsta X (feat. Wheein of Mamamoo)"Ex Girl"The Clan Pt. 1 LostESBEE, JooheonMonsta X"걸어" (All In)ESBEE, Lish, Jooheon, Stereo14, Mad Clown"네게만 집착해" (Stuck)Punch Sound, Seo Ji-eum, Jooheon"백설탕" (Sweetheart)Jooheon, JeongminJooheon, Jeongmin"반칙이야" (Unfair Love)Kiggen, Jooheon, Stereo14, Lish, Seo Ji-eum"Because of U"Rescue the Beat, Jooheon"Fighter"The Clan Pt. 2 GuiltyJam Factory, Jooheon"Be Quiet"Mafly, Jooheon, Keyfly"Blind"Giriboy, Jooheon"Queen"Mafly, Jooheon, Keyfly"하얀소녀" (White Love)JooheonYe-Yo!"Rollercoaster"Trinity, Jooheon I.M, Brother Su (feat. J.Han) "Madeline" Brother Su, J.Han
2017 Artist(s)SongAlbumLyricsMusicArrangementCreditedWithCreditedWithCreditedWithMonsta X"Ready or Not"The Clan Pt. 2.5: The Final ChapterLish, ESBEE, Stereo14, Jooheon"아름다워" (Beautiful)Galactika, Jooheon"넘사벽" (Great Wall) 5$, zomay, Jooheon, Lee Ji-won, Lee Kyung-min, XEPY"니가 필요해" (Need U)Lish, ESBEE, Megatone, Jooheon"Oi" Jooheon, Wonho, Brother Su"Miss You"Ye-Yo!, JooheonYe-Yo!Ye-Yo!"Calm Down"Mafly, Keyfly, Jooheon"너만 생각해" (All I Do)9999, Lish, ESBEE, Jooheon"5:14 (Last Page)"Wonho, Jooheon"넌 어때" (I'll Be There)Wonho, JooheonI.M, Jooheon "Future" rowspan="2" JooheonYe-Yo! "MASAKA" JooheonMonsta X "Shine Forever"Shine Forever Lish, Stereo14, Jooheon, BiNTAGE "Gravity" Mafly, Jooheon"Newton" Jooheon, XEPY"Dramarama"The Code Seo Ji-eum, Seo Jung-a, Jooheon"Now or Never" Jooheon, Galactika"From Zero" Wonho, Jooheon, Brother Su"X" Jooheon, Oh Min-ju"Tropical Night" Jooheon, Crucial Star"Deja Vu" Jooheon, JQ, Kan Eun-yu, Kim Hye-jung, Choi Ji-hye
2018 Artist(s)SongAlbumLyricsMusicArrangementCreditedWithCreditedWithCreditedWithMonsta X"Jealousy"The Connect: Dejavu Seo Ji-eum, Jooheon"Destroyer" JQ, DADA, Jooheon"Fallin'" Seo Ji-eum, Jooheon"Crazy in Love" Galactika, Jooheon"Lost in the Dream" Jung Yoon, Le'mon, Lee Hee-joo, Jooheon"If Only" Wonho, Jooheon, Rich Jang"Special" Ye-Yo!, Jooheon, NagoYe-Yo!, NagoYe-Yo!, Nago"Underwater"Take.1 Are You There?Jooheon, Brother Su"Shoot Out" Seo Ji-eum, Jooheon"Heart Attack"Wonho, Jooheon"널하다" (I Do Love U)Jooheon, Minhyuk, Wonho, Kihyun"어디서 뭐해" (Mohae)Jooheon, Yoonseok, Wooki"Oh My!"Jooheon, Jam Factory"Myself"Jooheon, ZAYA"By My Side" 9F, Jooheon9F9F"Spotlight" (Korean ver.)Wonho, Jooheon"Shoot Out" (English ver.)Seo Ji-eum, Jooheon
2019 Artist(s)SongAlbumLyricsMusicArrangementCreditedWithCreditedWithCreditedWithMonsta X"Alligator"Take.2 We Are HereSeo Ji-eum, Joohoney"악몽" (Ghost)Jam Factory, Joohoney"No Reason"Wonho, Brother Su, Joohoney"Give Me Dat"Jung Yoon, Joohoney"난기류" (Turbulence)Joohoney, Kim Sol-hee, Shin Sae-rom, JQ"Rodeo"Joohoney, Kim Eun-yu, MOLA, TOMBOY, JQ"Stealer"Seo Ji-eum, Joohoney, Jam Factory"Party Time"Joohoney, Brother Su Yoonseok (feat. Ken of VIXX) "On My Way" Yoonseok, Ken I.M, ELHAE "Horizon"Horizon ELHAE ELHAE, Millic I.M"Scent" PLAYBALL PLAYBALL I.M, Joohoney "삼박자" (Triple Rhythm) Joohoney, 9F, Wooki Joohoney, 9F, Wooki Joohoney, 9F, Wooki Monsta X (feat. French Montana) "Who Do U Love?"All About Luv Monsta X, French Montana, Torrey Jake, Conrad Noah Patrick, Henig Daniel Doron Monsta X, French Montana, Torrey Jake, Conrad Noah Patrick, Henig Daniel Doron Monsta X "Breathe For You"Monsta X's Puppy Day OST Joohoney, Wonho "Alligator" (Japanese ver.)Phenomenon Joohoney, Seo Ji-eum "Shoot Out" (Japanese ver.) Joohoney, Seo Ji-eum "Follow" Follow: Find You Joohoney, Seo Ji-eum, Brother Su"Monsta Truck" Joohoney, Brother Su"U R" Joohoney, Yoonseok, Wooki"Disaster" Joohoney, Flying Lab"Burn It Up" Joohoney, Bono, JQ"Mirror" Joohoney, Wonho, Brother Su, Shownu"See You Again" 9F, Joohoney 9F 9F"Middle of the Night" All About Luv Monsta X, Ali Payami, John Mitchell Monsta X, Ali Payami, John Mitchell
2020 Artist(s)SongAlbumLyricsMusicArrangementCreditedWithCreditedWithCreditedWithMonsta X (feat. Pitbull)"Beside U" All About Luv Monsta X, Armando Perez, Angel Lopez, Daniel Ryan Winsch, Eshy Gazit, Federico Vindver, Timothy Mosley Monsta X, Armando Perez, Angel Lopez, Daniel Ryan Winsch, Eshy Gazit, Federico Vindver, Timothy Mosley I.M, ELHAE"Need to Know"ELHAEELHAEMonsta X"Fantasia"Fantasia X Joohoney, Brother Su"Flow" Joohoney, 9F 9F 9F"Zone" Joohoney, Yoonseok, Wooki"Chaotic" Joohoney, Flying Lab"It Ain't Over" Joohoney, Brother Su"Stand Up"Joohoney, Ye-Yo!Ye-Yo!Ye-Yo!"Love Killa"Fatal Love Seo Ji-eum, Joohoney, Jeff Lewis, Andy Su Love"Gasoline" Flyinglab, Joohoney"Thriller" Lee Su-ran, danke, Joohoney"Guess Who" danke, Joohoney"Beastmode" 9F, Eric Nam, Joohoney 9F, Eric Nam 9F"Night View" Joohoney, Yoonseok, Wooki
2021 Artist(s)SongAlbumLyricsMusicArrangementCreditedWithCreditedWithCreditedWithI.M"God Damn"Duality Wooki Wooki"Howlin'" Long Drive2, Long Drive1, The Need Long Drive2, Long Drive1, The Need"Burn" Long Drive2, Long Drive1 Long Drive2, Long Drive1"Happy to Die" Wooki Wooki"시든 꽃" (Flower-ed) Long Drive2, Long Drive1 Long Drive2, Long Drive1Monsta X"Follow" (Japanese ver.)Flavors of Love Joohoney, Seo Ji-eum, Brother Su"Fantasia" (Japanese ver.) Joohoney, Brother Su"Love Killa" (Japanese ver.) Joohoney, Seo Ji-eum, Jeff Lewis, Andy Love"Gambler"One of a Kind Ye-Yo!, Joohoney, Laser, Hwang Yu-bin, Jooyoung Ye-Yo! Ye-Yo!"Heaven" Ye-Yo!, Laser, Joohoney Ye-Yo!, Laser Ye-Yo!"Addicted" 153/Joombas, San, Joohoney San, Zenur, Fascinador, PRNCE, Kevin Leinster Jr., Shaquille Rayes, Alawn Zenur, Fascinador, PRNCE"Secrets" Hyungwon, Jantine Annika Heij, Joohoney, Justin Oh"Rotate" Joohoney, Yoonseok, Wooki"Livin' It Up" (Korean ver.) Enzu, Mun Sul-li, Joohoney I.M, Rain, Shownu, Hyungwon, Yujeong and Yuna (Brave Girls), Hongjoong and Yunho (Ateez)"Summer Taste"Taste of Korea Kim Hong-joong, Kim Chang-rak, Kim Soo-bin Monsta X"Kiss or Death" Joohoney, Zupiter I.M"Loop"Loop Long Drive2, Long Drive1, The Need Long Drive2, Long Drive1, The NeedMonsta X"Rush Hour"No Limit Joohoney, Ye-Yo!, Laser, Sam Carter, Brother Su"Autobahn" Joohoney, Yoonseok, Wooki Yoonseok, Wooki Yoonseok, Wooki"Ride with U" Flying Lab, Joohoney"Got Me in Chains" Wkly, Flying Lab, Joohoney"Just Love" Joohoney, Yoonseok, Wooki Yoonseok, Wooki Yoonseok, Wooki"Mercy" Hyungwon, Jantine Annika Heij, Joohoney, Justin Oh"I Got Love" Joohoney, Ye-Yo!, Laser
2022 Artist(s)SongAlbumLyricsMusicArrangementCreditedWithCreditedWithCreditedWithMonsta X"Love"Shape of Love Joohoney, Ye-Yo!, Laser, Roydo, Brother Su"And" Yoonseok, Wooki Yoonseok, Wooki Yoonseok, Wooki"사랑한다" (Saranghanda) Joohoney, Ye-Yo!, Laser"Wildfire" Joohoney, Hyungwon, Justin Oh, Jantine Annika Heij Joohoney, Hyungwon, Justin Oh, Jantine Annika HeijHeize (feat. I.M)"Distance" Undo Heize Heize, Vibin, Hyesung I.M"nvrmnd" SOULBYSEL Compilation 03 Long Drive2, Long Drive1
2023 Artist(s)SongAlbumLyricsMusicArrangementCreditedWithCreditedWithCreditedWithMonsta X"Beautiful Liar"Reason Hyungwon, Joohoney, Brother Su, Kim Eung-ju"Crescendo" Joohoney, Ye-Yo! "Lone Ranger" Hyungwon, Joohoney, Jantine Annika Heij, Justin Oh"Deny" Joohoney, Yoonseok, Wooki Yoonseok, Wooki Yoonseok, Wooki"It's Okay" Joohoney, Laser, Ye-Yo!I.M"Overdrive"Overdrive Wooki"Blame" Long Drive, The Need"Dumb" Wooki"Habit" Wooki, Yoonseok"More" Long Drive"Not Sorry" Wooki
2024 Artist(s)SongAlbumLyricsMusicArrangementCreditedWithCreditedWithCreditedWithI.M (feat. Heize)"Slowly" Heize Heize, WookiI.M"Lure"Off the Beat Long Drive, The Need Long Drive, The Need"Bust It" Long Drive, The Need Long Drive, The Need"XO" Wooki"Skyline" Long Drive, The Need Long Drive, The Need"MMI" Wooki"nbdy" WookiMoon Su-jin (feat. I.M)"Runnin'"Runnin' Moon Su-jin Moon Su-jin, Sein
2025 Artist(s)SongAlbumLyricsMusicArrangementCreditedWithCreditedWithCreditedWithI.M"Don't Speak" WookiWooki "Mirror"Antibirth Wooki WookiMonsta X"Savior"The X Joohoney, Yoonseok, Wooki Yoonseok, Wooki Yoonseok, Wooki"Tuscan Leather" Joohoney, BK, Ye-Yo!"Catch Me Now" Joohoney, Moon Seol-liHeize (feat. I.M)"Love Virus"Love Virus Pt.1 Heize, Vin.Chee Heize, Akira, Kaizen, Cloud, Vin.Chee
References