 After the completion of <unk> , Studio <unk> ( a brand under <unk> 's ) started production on Snow . The artists for the visual novel were Asuka <unk> , who also drew the character designs , and <unk> . The scenario was written by three members of staff : <unk> Jet , Klein , and <unk> <unk> . I 've Sound , as well as T & N Music Factory , <unk> , and <unk> contributed to the music composition . According to the liner notes on the original soundtrack of Snow , the producers acknowledged that the game 's structure resembled Key 's visual novels <unk> and Air . <unk> <unk> , who is known for his work on Air , <unk> , and <unk> : The <unk> of a Little Planet , provided scenario assistance for Snow . 
