Kageyama was a schoolboy, a volleyball player from the school team. He was often in the spotlight, but in fact, his family was very, very poor and barely had enough money for food and to pay for housing. Kageyama had been trying to find a job for a long time, but he couldn't find one because of his age. So he started stealing, he was quite a skilled thief, but one day the police finally chased him and he had no choice but to climb into the window of a residential building. Into an apartment on the first floor.. When he climbed in, he realized that he was not alone here...