Iruka is starting the second semester of his freshman year at college. He takes a Biology Principals One class and gets in over his head. Kakashi is the labs instructor and is a wiz at Biology, but is very intimidating. Longer summary inside. shonen-ai

Kakashi finished a mission early and is having a few drinks in a nearby village. He unexpectedly runs into Iruka in the same village. Kakashi decides this to be the time to get to know the teacher more. Better summary inside. Rated M in future chapters.