Ring

Ring (リング, Ringu) is a manga series written and illustrated by Mitsutoshi Shimabukuro, creator of Toriko, and was published in Super Jump in 2004.

Plot
Natsu Hanagata (whose nickname is "Summer") is a hyperactive tenacious boy who enrolls into the prestigious Yamagawa Academy. There, many youthful encounters await for Summer from romance to friendly brawls, and the mysterious "Ring Club".