December When There Is No Angel

 is a Japanese adult visual novel developed and published by Leaf. It is known to Japanese fans as "TenIna". The game was released in both CD-ROM and DVD formats on September 26, 2003.
Music.
"December When There Is No Angel" has two theme songs, an opening theme named "I hope so" and an ending theme named . "I hope so" is sung by Haruna Ikeda and "Hitori" is sung by Akko.