Still Awake was written by Woong Bin Kim, Squar Squar. US mechanical royalties are collected by Sony/atv Tunes LLC (50%), Songs of Peer, LTD. (50%).
US mechanical shares as registered at The MLC · each writer’s chain: writer → publisher → administrator.
Sony/atv Music Publishing Korea
Sony/atv Tunes LLC · Sub-publisher
Songs of Peer, LTD. · Sub-publisher