Mother Okamura received permission to buy land on the south slope of a small mountain in Hachioji, which had been state-owned after the war, under the guise of building a post-discharge rehabilitation facility for tuberculosis patients. It was an old battlefield from the Warring States period and was called Kabutogahara. The adjoining land was a mental hospital owned by an influential person in the city, and the neighbors signed a petition to the Tokyo Metropolitan Government opposing the arrival of tuberculosis patients.
In 1951, St. John's Congregation was commissioned by the Dawn Star Social Work Association to manage the 70-person Aiseien nursing home, which was newly built and moved to Kodaira. Since the Sakuramachi Hospital had a neuropsychiatry department, it was hoped that St. John's Congregation would start a facility for mentally handicapped children, or as it was called then, intellectually disadvantaged children. Therefore, the land in Hachioji was not used for tuberculosis aftercare after all but for a facility for these children.
Mother Okamura and Sister Kawakubo went to the U.S. just before construction began to raise funds and to observe social work in the U.S. On December 14, 1955, the first phase of construction began on the day of the visit of Prince Takamatsu. The first phase of construction was completed on December 14, 1955, the day of His Imperial Highness Prince Takamatsu's inspection, and the school was opened on July 1, 1956, in Nakano-cho, Hachioji City, with a capacity of 50 children. At that time, there were only a few facilities for intellectually disadvantaged children, and this was the first facility established by a corporation in Tokyo after the war, and also the first Catholic facility. The first seven children were accepted from KumiAien in Saitama. The main building and the Shinwa Dormitory, the children's wing, were built side by side, with the entrance on the mountain side of the main building, and the kitchen building on the other side. The main building housed the office, janitor's office, and infirmary, and the room on the north side was used as the cathedral. A priest from Hachioji Church came every morning for mass, and Dr. Shigeki Nakamura from the clinic was the attendant. Gradually, more and more children were admitted from their homes, and after six months, the capacity of 50 was filled. The average age of the children was 9 years old. In October, seven children from Aiseien were admitted to the program. That year, in order to get used to the new school, a daily schedule was set up and attempts were made to develop a disciplined lifestyle based on it.
I am the vine, you are the branches; he who abides in Me and I in him.
Just as the Father has loved Me, I have also loved you; abide in My love.