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- Michyeo (미쳐; Crazy)
- 1jeolman Hasijyo (1절만 하시죠; Cut It Out)
- Ganjireophyeo (간지럽혀; Tickle Tickle Tickle)
- Nune Ttuine (feat. Manager) (눈에 띄네; Stand Out)
- Show Me
- Chuun Bi (추운 비; Cold Rain)
Crazy is the sixth mini-album released by 4minute. The songs "Michyeo" and "Chuun Bi" were used as the lead tracks. The song "Chuun Bi" was released two weeks before as their thirteenth digital single.