How to play on OPM: The Strongest Japan Server

So I have quite a few people asking me how to install and play on OPM Japan server, so here's this guide for you.

Step 1:

Go to https://www.qoo-app.com/en on your mobile phone, sign up for an account, download the app and install it.

Step 2:

Open the app, login your account, and then search for One Punch Man: The Strongest Japan.

Step 3:

Download the OPM JP app and start playing!