First year engineering student who began to feel that he had someone to follow nearby Until one day Ton learns the truth that it is Toei, his elder brother who has passed away for a long time, takes care of him from a distance. Ton meets Toei's spirit in an abandoned house. and went on a fun trip like brothers and sisters until one day Ton learned the real cause of death of Toei, causing Ton's life to experience a great change.