Renalen Malbas is a student in Mapua(ARC 3).
Ren is Miriam's blockmate during their very 1st term in Mapua. She and her friends, Ace and Miriam discovered the secret passage near the Math Department that led them to the underground and into the office of the secret headmaster of Mapua.
Ren is sensible and friendly.
Ren is cute despite being a bit small.