I assume that you mean that HKG to NRT was on CX and that this was on a single ticket HKG-NRT-SEA.
If so, the "responsible" party is JL by international agreements. I suppose that they got your bag delivered to you the next day.
If you do not live in US, you could have bought some essentials for a day and could ask for reimbursement.
If you live in US, that is usually not granted by airlines as you return home.