A system failure occurred at around 11:25 a.m. on July 1 in “MARS” (Marusu), the ticket sales system used by six JR Group companies, including JR East, JR West, and JR Central, making it difficult to make reserved-seat reservations and use related services at ticket machines at stations nationwide. The system was reportedly fully restored by 1:35 p.m. The cause of the failure is under investigation. JR East’s “Mobile Suica” also experienced a failure on th