About “Sumire 16 sai!!”
Sumire 16 sai!! is a Japanese manga series written and illustrated by Takeru Nagayoshi. It is a revised version of an earlier two-volume series titled Sumire 17 sai!!. The original series was serialized in Kodansha's shōnen manga magazines Weekly Shōnen Magazine and Magazine Special from March 2005 to March 2006. Nagayoshi reset the story's timeframe one year earlier and rewrote the story, leading to the release of Sumire 16 sai!!. This version was serialized in the same magazines from May 2006 to January 2009, with its chapters collected in five tankōbon volumes. A television drama adaptation based on the series aired on BS Fuji from April to June 2008, consisting of 12 episodes. (Summary adapted from Wikipedia, CC BY-SA 4.0.)
Some summaries adapted from Wikipedia, CC BY-SA 4.0.