Volume 14 Chapter 96 Page 7 - the female lead cuts her hair with a knife
Volume 1 Chapter 1 Page 6-7
Page 15-16
Page 22
Volume 11 Chapter 41 Page 12-15, Ryuunosuke appears with new hairstyle.
Volume 3 Page 155-158
Page 6-7,17-20 Forced cut by classmate
Chapter 2 Page 1
Chapter 26-27 - Miyamura cuts his hair to fit with Hori's image more (stupid reason if you ask me, some pretty good reactions though from everyone)
Volume 3 Chapter 11 Page 37 Gen reveals his new hair
Tail of the Moon