Kleines Arschloch ruins Monta Kimura's wedding/Grounded and beaten up by Azura

Summary
Today is Valentine's Day and it is a very special day because Monta Kimura's wedding is today. Monta Kimura and his girlfriend his age, Yasuko Minamoto are getting married and her brother her age, Katsu Minamoto is going to be knighted. When Shimajirō Shimano and his freinds and classmate attend the wedding, Kleines Arschloch ruins it by playing Hollensong at full blast. As a result, he gets grounded by his parents and beaten up by Azura.