Angel wants to be a great adventurer. She applies to the guild for membership but is denied even though she passed all the tests. She appeals her case to the Queens consul and eventually ends up meeting the Queen who assigns her a quest to prove her worthiness. Unbeknownst to Angel, the Queen is fond of her and sends Tomoka the Cat Girl from her royal guard to follow Angel and secretly watch her.

Tomoka falls in love with Angel as she watches her blunder around in the mountain forest on her quest. They would later become lovers.

On her quest Angel meets a wolf monster and after an initial conflict she befriends him. She makes another friend along the way when she heals the powerful White Ogre and saves his life.

When she finishes her quest the Queen makes her a special part of her Royal Guard. Angel is teamed up with Tomoka and the White Nun and sent on exciting quests for the Queen to small towns and villages across the kingdom.

The Blue Angel story is told with images, animations, music and sound effects.

This is a linear visual novel. (There are no choices).