Deka WankoDeka Wanko.

Deka Wanko (デカワンコ) is a Japanese manga series written and illustrated by Kozueko Morimoto. It was serialized in Shueisha's josei manga magazine You from April 2008 to January 2013, with its chapters collected in 12 tankōbon volumes. A 10-episode television drama adaptation was broadcast on Nippon TV from January to March 2011, followed by two specials aired in April of that same year and January 2012.