Yakuza 6 - Substories - Crisis Management Professional (Chapter 4)
Chapter 04 Substories - 50 - Crisis Management Professional
You can start this now, but can only complete it in Chapter 5.
First you will need Bento Lunch Set (Pork) which you can only buy in Kamurucho, so if you've missed your change, buy next time you are there and when you are back Onomichi start the quest.
Then you will have to beat Onomichi 2 times in town (he spawn on random places) and after it you will receive a message from him (could take some time for it to arrive though).
Complete Yakuza 6 guides:
https://www.youtube.com/playlist?list=PLRjGpBTb383Sti4yI7byHFAkxstOJOe6Y
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