This is a yellow variety of Scotch Bonnet pepper, a very hot pepper popular in Jamaica in the Caribbean.
It's a rare chili pepper that's still hard to find in Japan, and although it looks cute, it's amazingly spicy, at 100,000–350,000 SHU (SHU is a unit of spiciness), on par with the habanero.
At first glance, it may look like a scary pepper, but above all , it has a unique, fruity, delicious, enticing spiciness and flavor that is unique to Scotch bonnet.
Scotch bonnet is used to add spiciness to authentic Jamaican jerk chicken.
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When the fruit ripens it turns from green to yellow, a vibrant Jamaican color.
The name is said to come from a Scottish hat.