This is Takasugi Shinsuke (Or Shinsuke Takasugi in English speaking world) from Gintama. This is the boy version. There are four figures in this category and they are called "Gintama Tribute gallery". Shouyou , Shinsuke, Gintoki, and Katsura are the ones with the latter three being in their pre-teen age.
This is also a prize figure, meaning you score them from those crane lottery machines and is produced by Banpresto. Regardless, plenty of them are on Ebay and you can score them at as low as 10 USD if timing is lucky enough.
By Banpresto's standards, this is fairly high quality. You can see a small manufacturing fault on middle end of his yukata. Other than that, coloring and shading are fine. For the price I paid for it, I'd say it's an excellent figure as well as being unique. There aren't many Shinsuke figures after all.
I've attached a figure size comparison photo at the end with Shouyou.