We are planning to have a regular meeting, OWASP Night 18th at open:6:30pm start:7:00pm, on Jul 29th at TOYOSU FRONT.

OWASP Meeting/Night – The OWASP Japan Local Chapter Meeting (OWASP Night will be at night) is held in the form of seminars and lightning talks. It’s an opportunity for people interested in web security to get together and exchange information and opinions in a casual and fun environment. There are no requirements in terms of skills, profession, nationality, gender or age. Anyone interested in web security is free to participate.

Topics of this meeting will be...
"ASVS 3.0 preview"
"Hardening Project Report"

Please take a look at OWASP Japan wiki page to join the membership and mailing lists.
https://www.owasp.org/index.php/Japan