Before anything else: Can we get confirmation on who is going to what showing? Or what will happen at the events?
Ok, since the Google results are dreadfully ineffective in either language, here's the important information you'll want to have:
Official Name: レーザーチーム 俺たち史上最弱のエイリアン・バスターズ！ (Lazer Team: We are history's weakest alien hunters!)
Lazer Team Japan Twitter: https://twitter.com/movie_lazerteam (I'm not sure who runs this, honestly)
Official Lazer Team Japan Site: http://www.lazer-team.net/
Currently known showings:
August 6 in Tokyo: http://qualite.musashino-k.jp/index.php
Time: 6:30 PM, with an event planned. Source: http://qualite.musashino-k.jp/quali-colle2016/sche...
August 6 in Osaka: http://www.ttcg.jp/cinelibre_umeda/
Time: 8:45 PM, http://www.ttcg.jp/topics/2016/cinelibre_umeda/qua... (No events listed on this schedule, but since the time overlaps with Tokyo we need confirmation on what is planned)
August 9 in Aichi: https://www.korona.co.jp/Cinema/nak/top.asp
I'm honestly not sure of the details beyond this for this on.
I've got my fingers crossed for someone at the Osaka showing!