Netizens in Japan shared a video on Twitter. When he adds some sake to a sake cup, the cherry blossoms in front of you at the bottom of the cup. Not only sake cup and there is a champagne glass from Japanese pottery brand Marumo Takagi, click the link for more details.
わたしの働いているバイト先でもグラスver.やってます！！ pic.twitter.com/EvenxICIIO— 🍥☕️ (@Oo_____ss) March 15, 2020
Sake set that changes with temperature Cool sensation Shirahira cup pair set
When a cold drink is poured into this mysterious glass, the cherry blossoms are in full bloom! It will change occur when the temperature of the glass drops below 62.6 °F.
Each box set has two cups, capacity: 70cc USD $30.75 (JPY 3,300)