Yotsumura Amane, 14 years old - Son of Yotsumura Satoru. Being raised in JCC since childhood, that makes Amane become an idiot when he steps into the city. It can be seen through the fact that he holds a gun and shoots at a vending machine on the street. Too helpless with this kid, the Sakamoto group gives you the mission to take care of him. You will be a nanny for this 14 year old idiot.