Warlords of Sigrdrifa Episode 4: Tateyama Castle Swimsuit Skirmish!
Episode 4 of 12 of Warlords of Sigrdrifa, aired October 24, 2020, 24 minutes. Available with English subtitles and dub where released.
Episode summary
When there's a Pillar between them and their planes, the Valkyries get help from scantily-clad men to sneak them back to base.