Tona-Gura! (となグラ!, Tona-Gura!?) is the title of a fictional Japanese comedy/romance story created by Hidetaka Kakei centering around four childhood friends and the romantic relationship between two of them.
Tona-Gura! originally began as a manga series and was released on December 7, 2004. The anime is based on this manga and was released July 8, 2006.