Would the right thing to do be to end the lot of 12 tops listing and create a new listing for fewer items?

Buyer requests I split a lot of 12 tops. She already owns some and likes only 4 or 5 of them | Ask a Mentor

Buyer requests I split a lot of 12 tops. She already owns some and likes only 4 or 5 of them | Ask a Mentor | eBay Community