- Native Name: 김 아인
- Gender: Male
- Nationality: Korean
- Born On: 02/15/1994
- Age: 29
A-IN (1994)
Kim Ah In, better known by his stage name A-IN, is the leader, vocalist, dancer and choreographer of the boy group Top Secret. He was the leader, vocalist, dancer and maknae of the group NOM. He won the Grand Prize at The National Youth Dance Contest and Mnet Dream Project Dance Division Championship.
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