Sandalphon

Sandalphon is one of the Seven Heavenly Virtues, sister of Metatron and the archangel of Diligence.

Profile
A hard-working inventor and Metatron's older sister. Sandalphon chooses a student as her candidate and tries to help him study for a test using her inventions.

Personality
Sandalphon is a hard-working angel who wants to be well regarded for the sake of her younger sister Metatron, and is thus constantly coming up with new inventions. However, she tends to be careless and hasty in her work, with rushed and sloppy results.

Trivia

 * Sandalphon is friends with Belphegor, the Demon Lord that embodies the Sin opposite to her Virtue.