The single was the main theme song for the 1979 Doraemon series[a] and was briefly the main theme song of the 2005 series before being replaced by Hagushichao in October 28, 2005.
Three gadgets are explicitly mentioned in the original lyrics, the Takecopter, the Toy Soldiers and the Anywhere Door[4] with those lines being sung by Doraemon's voice actor Nobuyo Oyama.
In the Misato Watanabe edition of the song, the second verse's lines for Doraemon were changed from "Here!
"[5] While serving as the main theme song for the 1979 series, its main singer was changed five times, from Kumiko Ōsugi to Satoko Yamano in October 9, 1992[b], from Satoko Yamano to Tokyo Purin in October 2, 2002, from Tokyo Purin to Misato Watanabe in April 18, 2003 and from Misato Watanabe to AJI in April 30, 2004.
The song was then made one of the currently used ending songs in April 5, 2019 with a special rendition by all of the current voice actors for the main five characters.