A Vietnamese man who left his country as a young man with little money. He has primarily worked as an uneducated labourer, hitching through Europe his stay dependent on the tenacity of the respective terrirtorie's immigration departments. A capable and resilient survivor - Bui has spent his days after the outbreak much like he did prior; keeping a low profile and working a trade. Whether a make shift door to barricade himself from lurking horrors or a hidden garden to delay starvation - Bui continues on his path. However treacherous it may be.