Yuzuki-san Chi no Yonkyoudai. EP2 - Minato and Mikoto

Because Mikoto is older than Minato, he was often given higher expectations than his younger brother. As a result, he used to resent Minato because it seemed he always got his way. Minato broke a toy given to Mikoto from his brother Hayato, and Mikoto got upset. Hayato finds him in the park by himself and tells him he should talk with Minato. Minato felt bad for what he did. Mikoto forgave him, and ever since has always helped his younger brother.