Insights From the Nihon Housou Kyoukai’s Virtual Reality–Based Social Interaction Television Program “Project Aliens” for Adolescents With Psychiatric Disorders: Single-Center Case Series Study - Junichi Fujita; Mizuho Takayama; Emi Kamono; Satoru Shinoda; Hiroyuki Yamaguchi; Tomoko Moroga; Mio Ishii; Tomoyuki Miyazaki (JMIR Formative Research)