The President of the sushi restaurant chain Sushi Zanmai, Kiyoshi Kimura, cuts a blue fin tuna outside his main restaurant at the outer Tsukiji market in Tokyo January 5, 2015. The 180 kg blue fin tuna traded at a price of 4.5 million yen (37,500 USD) and was the most expensive fish at this year's New Year auction at the Tsukiji market, local media reported. (Photo by Thomas Peter/Reuters)

Eighty one-year-old Sakon Haba (L) wearing loin cloth walks past a police station after he bathed in ice-cold water at the Teppozu Inari shrine in Tokyo January 11, 2015. According to organizers, about 100 participants took part in the Shinto ceremony to purify their souls and wish for good health in the new year. (Photo by Toru Hanai/Reuters)

A humanoid robot named “Robi” sits during a promotional event for the launch of a weekly Robi Magazine in Tokyo, Japan, 20 January 2015. Created by roboticist Tomotaka Takahashi, the 34-centimeter tall humanoid robot can recognize and respond to more than 200 words and phrases, walk and dance. Parts of the robot will be put on sale in a weekly magazine to be fully assembled with 70 issues. (Photo by Franck Robichon/EPA)

Young Japanese women dressed in colourful Kimonos take a photo of themselves as they gather for a ceremony marking the “Coming of Age Day” at the Toshimaen Amusement Park in Tokyo, Japan, 11 January 2016. The Coming of Age Day is the day to celebrate young people who turn 20 years old while the age of 20 is considered the beginning of adulthood and is the minimum legal age for voting, drinking and smoking in Japan. (Photo by Kiyoshi Ota/EPA)

Fumie Takino, 89, founder of a senior cheer squad called Japan Pom Pom, and other members pose for commemorative photos before filming a dance routine for an online performance in Tokyo, Japan, April 12, 2021. “It's dancing; moving your body is nice”, Takino said. “And the costumes are unbelievably showy. Some people join just so they can wear them”. (Photo by Kim Kyung-Hoon/Reuters)

“Pivo”, Nissan's concept car is introduced at Nissan's Gallery on September 30, 2005 in Tokyo, Japan. “Pivo” is an electric car in which the direction of the cabin moves 180 degrees, therefore, when making a turn in a different direction, it simply needs to move the cabin without moving the car. (Photo by Koichi Kamoshida/Getty Images)

A Japanese twenty-year-old woman enjoys a cigarette during the annual Coming-of-Age Day ceremony at Toshimaen Amusement Park on January 11, 2010 in Tokyo, Japan. 1.27 million young people celebrate their passage into adulthood on the day while they become eligible to drink alcohol, smoke and vote at the age of 20. (Photo by Koichi Kamoshida/Getty Images)

The cutest Instagram ever! Tokyo-based mother Aya Sakai is taking pictures everyday of her son Tasuku and his best friend, a French Bulldog ‘Muu’ and post it on Instagram and her Facebook page. Whether the two are watching tv on their ‘favorite’ cushion or cuddling on the couch or sleeping together, the two just can’t seem to get enough of each other. Probably the cutest thing I’ve seen in a long time…