I was invited to join the SH Discord by a senior... but I politely declined because I didn't have a Discord account yet.
There's an art section. Haven't opened discord for a year tho, but I assume it's still the same: people sharing their drawings & authors spreading fanarts from their readers.
In the past, I had some differences with a few people here on the forum ... Eventually, many of them transmigrated to the discord, so ...
The invite should be in your inbox on the mainsite. The first message you receive from the system will have it.