About this Community 2019/10/11 19:18 Share on Facebook Copy URL 檢舉 About this Community数学ガール🦋✝︎@観測者 can post comments or announce information about upcoming Live Streams.You can leave 数学ガール🦋✝︎@観測者 messages and attach videos or images to each post or comment, even from your smart phones. Please enjoy!