Assassination Classroom Mug Heatchange Koro Attacked

All the students in the class unite and use different weapons to try to eliminate Koro sensei on this Assassination Classroom mug by ABYstyle.?
Every morning, you can see your mug change dramatically when you pour your hot chocolate, your tea or your coffee.?

Details:?
- Design changes when you pour hot liquid.?
- King size (460ml)?
- Not suitable with microwave and dishwasher?
- Material ceramic