One of the phenomenon in Japan is the fact that people wear masks even before COVID-19 Pandemic, There are several reasons why people in Japan wear masks. Here are some of the reasons:

(1) Air Pollution
(2) Allergy
(3) Cold (Not to infect others.)
(4) No Need for Make-Up
(5) Looks Cute
(6) Hide Identify (For Celebrities)
(7) Hide Facial Expressions
(8) Fashion

Because of this, Jaoan may be experiencing one of the slowest Pandemic development. Unfortunately, people cannot wear masks when they drink or eat, That also may be the reason when there are clusters of infections at bars and Karaoke in Tokyo.