This may be selfish to ask but since technically Archer with his 7 steps of "Tracing" could make, although in a very amateur way to a certain degree, create some clothes for Koneko that would emulate certain clothes of other Servants
If your patreon is at least 20+ chapters ahead of the webnovel I would gladly pay subscription, but you're just promoting your other fanfics. I have read them and I'm not really a fan.