after you finish the main quest on a certain location/area subquest will be unlock on that area for you to grind and earn more items, someΒ subquests areΒ continuation of last subquest that are related .. all RPG games have the same pattern on how you play it.
btw here is the answer of your question hope it may help you..
subquest 14: EVIL BENEATH SHIGURE SHRINE
CLIENT: HANABI AND & TAROΒ Β Β Β LOCATION: REIMEI TOWNΒ Β Β Β REWARD: MYSTIC ORB
subquest 15: NAMELESS CRAFTSMAN CREATION
CLIENT : SEKIREIΒ Β Β Β Β Β Β Β Β Β Β Β Β Β Β Β Β LOCATION : HAKUYA TOWNΒ Β Β REWARD : FORGESTONE (L) x2
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