5tion (Korean: 오션; RR: Osyeon) is a South Korean boy band popular during the early 2000s. The group's name is pronounced ocean as a play on words with the Korean word for '5' being 'oh'.
5tion | |
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| Origin | South Korea |
| Genres | K-pop |
| Years active | 2001–present |
| Labels |
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| Members |
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| Past members |
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| Website | www |
In 2004, two members Lee Hyun & Hwang Sung-hwan (John) spun off into a project group called 'After Rain'.[1]
In mid-2010, Hwang Sung-hwan (John) departed and formed 2NISE with Hohyeon & Jogeun.[2]
Later in September 2010, 5tion made a comeback as a three-member group consisting of Hwang Sung-hwan (John), Lee Hyun & Woo Il.[3]
In March 2012, the group made another comeback with a new member roster and stage names, reuniting three original members (Oh Byung-jin, Lee Hyun & Son Il-kwon) with two new members (LEN & Boseok). Wanting to reach out to the international fanbase, member names were changed to be more foreign sounding. Oh Byung-jin would be known as 'Cain', Son Il-kwon would be 'Roy' and Lee Hyun was shortened to 'Hyun'. Originally a ballad group, the return saw a change to dance music.[4][5]
On January 15, 2017, the group was involved in a car crash while performing in Japan. This occurred when the van slid on an icy road and into a delivery truck; they were immediately rushed to the hospital, and none of the group members were later reported to have had any serious injuries.[6]
After two years of inactivity, on April 29 2022, they announced a comeback through a live concert called "COME BACK" in Tokyo being on May 6 2022 followed by Live in OSAKA on May 14 and 15, 2022.

| Title | Album details |
|---|---|
| Incredible / True Image of New |
Track listing
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| Album of the (Y)Ear |
Track listing
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| Deal In Coal |
Track listing
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| Title | Album details |
|---|---|
| Rebirth |
Track listing
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| Title | Year | Peak chart positions | Sales | Album | |
|---|---|---|---|---|---|
| KOR [7] |
JPN [8] | ||||
| "Feel" (必) | 2001 | — | — | — | Incredible / True Image of New |
| "24/7" | 2002 | — | — | Album of the (Y)Ear | |
| "I Wish U" | — | — | |||
| "Man" (남자) | 2006 | — | — | Deal in Coal | |
| "Let’s Fall In Love Again" (우리 다시 사랑하자) | 2010 | 71 | — | Non-album singles | |
| "Look at My Person" (내 사람인가 봐) | 2011 | — | — | ||
| "Let's Get Married" (우리 결혼까지 하자) | 2012 | 48 | — |
|
Rebirth |
| "Papillon" (빠삐용) | — | — |
| ||
| "Only 4 U" | — | — | — | Non-album singles | |
| "Message Arrived" (메시지가 도착했습니다) | 2013 | — | — | ||
| "Love Love Love" | — | — | |||
| "More Than Words" | 2014 | — | — | ||
| "Still Beautiful" | — | — | |||
| "Pain In My Heart" (심장에 쥐가나서) | — | — | |||
| "Because of You" | 2015 | — | — | ||
| "Lie" | — | — | |||
| "My Valentine" | 2016 | — | — | ||
| "Come Back" (돌아와줘요) | 2018 | — | — | ||
| "Love Takes Time" | — | — | |||
| "Wanna Know You" | 2019 | — | 21 |
| |
| "Final Destination" (넌 나를 죽이고 떠나) | 2020 | — | — | — | Rebirth (single) |
| "—" denotes releases that did not chart. | |||||
| Year | Title | Album |
|---|---|---|
| 2011 | "Love Made In Heaven" (하늘이 준 사랑) | Manny OST |