Today I used Charlemagne, Nikitich, Habetrot and Kama, despite Robin being an NPC.
I think I managed to develop a strategy accidentally.
First, I just used Charlemagne, Habetrot and Nikitich to attack Ganesha and Jinako, and I used Robin and Kama to protect.
I left Tomoe Saber isolated.
She was taken down by Nikitich, who I managed to beat.
Jinako got serious and I got very serious, I knew Jinako would suffer a more humiliating defeat.