The 7th gen V6 Accord (03+) came with a 6sp manual only. Click Here Only the 4cyl is available with a 5sp manual. This is the first generation Honda mated the Accord V6 with a manual trans.
The only V6 5sp manual I can think of that honda produced was the 2nd Gen Acura Legend Coupe Click here But even then, they upgraded that to an available 6sp manual