Short answers, pulled from the story.
The organization received official approval from the Minister of Education on the 16th of May 1953. This approval followed a reorganization that occurred on the 21st of June 1951 after legal challenges regarding physical abuse allegations.
The Mahāyāna Mahāparinirvānā Sūtra serves as the core text for all Shinnyo-en teachings regarding Buddha-nature. According to this scripture, all beings possess a natural purity capable of responding creatively to any life situation.
The first sanctuary outside Japan opened its doors on the 2nd of March 1971 in Mililani, Hawaii. Subsequent temples followed in Honolulu during 1973 and San Francisco in 1982.
Shinsō Itō assumed leadership of the entire organization following her father's passing on the 19th of July 1989. Her father announced her succession in 1983 and bestowed upon her the priestly name Shinsō.
Each Sesshin session lasts approximately three minutes per person and occurs at temples under guidance from specially trained lineage parents. The purpose involves identifying karmic impediments and cultivating permanence-bliss-self-purity through direct interaction rather than prolonged silence.