A-ko's best friend, initially perceived as a carefree optimist but revealed to be the lost princess of the Alpha Cygni alien race. Her journey involves reconciling her human friendships with her alien heritage.
B-ko acts as a highly motivated companion whose actions are directly driven by her feelings for C-ko.
Plot shows B-ko channels her obsession with C-ko into helping the Alpha Cygnans because of her attachment to her.
C-ko harbors distinct affectionate feelings toward the alien captain, influencing her interactions.
C-ko has developed a soft spot for the stranded Napolipolita.
C-ko extends her fondness to D, mirroring her attitude toward his companion.
C-ko has developed a soft spot for the stranded... D.