The lethargic angel is missing credits in the Department of Sexual Activity v.1.04

The ministry faculty... is one of the most important subjects for an angelic disciple who will eventually help and guide people.
However! Mika, a lazy and sluggish apprentice angel, is on the verge of failing her school year because she has missed too many classes!
If the situation doesn't change, she will forever be an apprentice...?
To get out of this situation, at the behest of the goddess Freya, she travels to the human city with Belle and Azu, who are also apprentices.
But there lustful men await them...