Cube Tree (큐브트리) is a pre-debut team of trainees under Cube Entertainment.
The graduated trainees have graduated from Cube Tree, and are now artists under Cube Entertainment.
These trainees have left Cube Entertainment.
- Li Xi Kan
- Yu Ming Jun
- Kim Ji Woo
- Jung Yeong Bin
- Shin Ji Min
- Lee Yun Seo
- Shin So Hyun
- Jo Woo Chan (left approx. 2019)
- Lee Jong Won
- Kwon San
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