A year has passed and 2nd semester has begun. All of them had mastered the basic and intermediate level magic. Now, they are learning how to use advance level magic. Simultaneously, Ms.Aiko is giving special class to kirito on holy magic as it is only used by people who have high magic capacity. The principal has given two weeks of holidays for all students. So, kirito and yukina planned to go on a vacation. They decided to go to the Konoha village which is famous for its hot spring resorts. They rented a room at silver moon inn soon after they arrived to the village. They relaxed their bodies in hot springs and had enjoyed themselves by doing fun stuff at village for a week. Suddenly, a large group of un-dead were coming towards village. Those un-dead's were the soldiers sent by king to eliminate an un-dead dragon lurking in the magical forest which is near to konoha village. The un-deads came closer to village. The royal knights and mages who were assigned to protect village tried to stop them but they because they were out-numbered. They are attacked by un-dead & got injured.