Tactical Waifu is a anime one-shot (non-canon to Avantris lore) that was streamed live on Twitch on October 17, 2018 using a 1 page TTRPG system. Legends of Avantris also played a separate session of Tactical Waifu, as a D&D live show anime one-shot, for their Anime USA panel, as featured panelists, on November 2, 2019, that featured Derek (playing a character that shared the same voice as Lethica). GMed by Mikey, this one-shot is set in Takoyaki High School in Japan, where each player is playing a "Waifu". Players include Nikkie as Okemi Yemi, Kelsey as Yuna Amai, and Andy as Satsuki Kiryuin (An reference to the anime character Satsuki Kiryūin).