Sabi no Owari wa Totsuzen ni

 is the debut digital single by Toumei na Tobira. It was released on July 21, 2020.

Tracklist

 * 1) Sabi no Owari wa Totsuzen ni (サビの終わりは突然に)
 * 2) Papa ni wa Naisho (パパには内緒)
 * 3) Top of the world

Featured Members

 * Segawa Nodoka
 * Asahina Matsuri
 * Momosuzu Ranze
 * Fukase Marina
 * Sato Miki