Ten years ago Yaichi's twin brother moved to Canada and married a man called Mike. A month ago, he died.

Now Mike has arrived to Japan to meet Yaichi and his daughter Kana. Yaichi has to face his own preconceptions and come to terms about who his brother really was.

- Won the 19th Japan Media Arts Festival Division Excellence Award in 2015
- Won the 47th Japan Cartoonists Association Excellence Award in 2018