Moonmelon

This a Moonmelon , scientifically knows as asidus
 This fruit grows in some parts of Japan , and it’s known for it’s weird blue color
what you probably don’t know about this fruit , is that it can switch flavors
after you eat it , everything sour will taste sweet , and everything salty will taste bitter , and it gives water a strong orange-like taste
this fruit is Very expensive , and it coasts about ￥16000 JPY (which is about 200 dollars)