| Why.. | ||||
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| EP by | ||||
| Released | September 4, 2023 | |||
| Length | 16:45 | |||
| Language | Korean | |||
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| BoyNextDoor chronology | ||||
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| Singles from Why.. | ||||
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Why.. is the first extended play (EP) by the South Korean boy band BoyNextDoor, released on September 4, 2023, through KOZ Entertainment, three months following the release of the group's debut single album Who! (2023). The EP consists of six tracks, including the three singles from Who!, and the lead single "But Sometimes (뭣 갈아)".