Saint Valentine (聖バレンチヌス Saint Barenchinusu? ) is one of the minor characters of the story, WWW.Working!!. He is a spirit that appears inside the dream of those who ate Miyakoshi's homemade chocolate.
Saint Valentine has a cheerful and carefree personality but known to retort when upset. He is also capable of sharing his wisdom when necessary.
- Daisuke Higashida: He has a close relationship with Higashida.
- Hana Miyakoshi: He has a clear dislike towards Miyakoshi's tendency for violence but still cares enough to offer her a few advice.