As a hero, Meguru wants to investigate the "black rose man" who's been causing trouble around the school. Miruku, thinking that it's dangerous for a middle schooler to be walking around by herself, asks an elderly male friend of hers, Nagatsuki, to accompany her. What will their investigation reveal?!
The simplest way would be to remove 
any obstacles to medal collecting.
Am einfachsten wäre es, die Störfaktoren
beim Medaillensammeln zu beseitigen.
Le plus simple serait d’éliminer
ce qui diminue notre quota.
Самый простой способ — 
избавиться от помех для сбора медальонов.