The Yakult Swallows announced on February 17 that Shoitsu Omatsu passed his tryout. They are planning to sign him to a contract. He will continue his training at Ni-gun camp in the meantime.
Source: Yakult 2/17/2017
[UPDATE 2/19 @ 10:01pm]
The Swallows announced today that they reached an agreement with Omatsu. He was assigned the uniform number 66. According to media reports, the two sides agreed to a contract worth an estimated eight million yen.
Source: Daily Sports 2/19/2017