The video is embedded with a lot of hidden know-how regarding karaoke videos. For example, so that background videos do not upstage the music and singing, it lays out the rules of, “purposefully removing originality and impact”, and, “avoiding backgrounds with fast movement”, so that they do not distract from the karaoke itself. Other key points are, “to not show smartphones or trending styles of makeup that may be attached to any particular era”, and, “to avoid shooting easily identifiable locations,” for the reason that the videos are often used for over a decade. Based on this know-how, the Softbank music video producers shut themselves in Joysound karaoke boxes and analyzed a wide range of videos. They devised 17 “common aspects of karaoke videos”, to match the song Sumaho-bune (Smartphone Boat).

The lyrics depict a mother who thinks mistakenly, “He isn’t studying, only playing,” and becomes discouraged after seeing her son watching videos on his smartphone, when he should be studying. It plays on the ever so slight chasm that can form between parents with children under academic pressure. The unique lyrics portray the swaying hearts of parents who want to believe in their children, is emotionally sung by Sayuri Ishikawa, one of Japan's leading enka singers.