File:STELLAR into the GALAXY banner.jpg

Summary
Sources:
 * https://virtual.spwn.jp/events/21102102-engsuisei
 * https://virtual.spwn.jp/events/21102101-jpsuisei
 * https://twitter.com/hololive_En/status/1429050652886507520
 * https://twitter.com/hololivetv/status/1429050659089883139