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"If I can keep living happily with mother like this, I don't need a 4th life."
V-oil is a special kind of oil that Vandalieu created by extracting oil from the Demon King's blubber and adding various other ingredients to it. It's effective at treating a variety of conditions, such as dry skin, burns and hair loss. Thus it apparently also doubles as a beauty product.[1]
References
- ↑ Chapter 165: Improve yourself and let us compete (Web Novel)