Isamu, a sixth-grade boy, lost his mother in a car accident at a young age. Ever since, he's been unable to forgive those who ignore traffic rules. Each day, he stands at the crosswalk with a yellow flag—his mother's keepsake—guiding his classmates and watching over the signals. Though adults dismiss him and his peers call him a "traffic light fool," Isamu remains committed. When his father announces plans to remarry, Isamu refuses the idea of a new mother. But upon learning that the woman too lost loved ones in a traffic accident, he begins to open up. Through this shared grief, Isamu gradually understands the importance of empathy and realizes that rules alone can't heal a broken heart.

Japanese drama film.

Ryosuke Kotaki's life motto was his grandfather's will, "Study, make money, drink alcohol, and win the first prize". So, first of all, he went to Osaka to win the first prize with favorite shogi. In the car, he hit it off with a woman named Okichi and decided to live in the Shogi Kaisho, which is run by Okichi's father, Yoichi. Ryosuke's skill was strong, and he was happy to make a lot of money in gambling shogi. However, he lost to a middle-aged man by dropping four cards. This man was actually Heihachi Kudo, who is said to be the best of both worlds in the Kansai chess world at the time...