After a major earthquake struck Taiwan in early April, there were calls in Japan for donations to help Taiwanese people. The keyword on social media was "ongaeshi," the idea of repaying someone's kindness. Municipalities with ties to Taiwan set up donation boxes to help support those affected by the disaster. Tune in to learn about words such as "kondo," which means "this time" or "next time," and "on," which refers to the feeling of gratitude you feel for a favor someone has done for you.