Prolouge 1 is the very first chapter of Yankee-kun to Megane-chan, it is the start of the adventures of Shinagawa Daichi and Adachi Hana
Plot[]
Shinagawa Daichi is shown in the bathroom stall pissed because of the class representative forcing him to go to the field trip. The class representative Adachi Hana reached the top of the stalls in male's comfort room looking for Shinagawa. Getting surprised, he kicks the door while Adachi is on top.