Dionysus Thyrsos is the Greek God of Wine, Fertility and Merry Making, later considered a patron of arts.
Dionysus is a charming flirt with a happy-go-lucky personality, even though he doesn't like to be told what to do. He is said to be warm but slightly crazy. He is sometimes seen appreciating wine. He seems to know a lot about the matters of love.
(Source: Kamigami no Asobi Wikia)