The Kocho System is a new way to keep track of the player's progress with each girl. It is based on a point system, and the player will receive Kocho points for various things such as buying gifts, talking to the girl, and participating in events.
There are also new clothing, hairstyles, and accessories available in the latest update. The new clothes include a school uniform, a kimono, and a yukata. There are also new hairstyles and accessories, such as hair ribbons and glasses.