This tank paper model is a simple version KV-2, a heavy assault tank with the M-10 152 mm howitzer, from the manga / anime series Girls und Panzer, the papercraft created by Gattonero. For more information of the KV-2 please click on: SD KV-2 Heavy Artillery Tank Free Paper Model, there is also a normal scale version on the site: WWII KV-2 Heavy Tank Free Paper Model.
Pravda Girls High School is one of the schools involved in Girls und Panzer. This school is operating Soviet World War Two tanks which includes some T-34/76s, T-34/85s, a KV-2 and a JS-2m. Pravda Girls High School is the current Sensha-dou champions after they defeated the Kuromorimine Girls High School at the finals during the previous year.
Pravda Girls High School is the third opponent of Ooarai Girls High School during the semi-final round match of the Sensha-dou competition. Pravda was beaten by Ooarai because of Katyusha's careless decision of letting Ooarai to recuperate after they surround them in a large house. At that time Katyusha offered Miho to surrender but Miho refused. In the end Ooarai have won the match by hitting Pravda's flag tank.
You can download this papercraft model here: Girls und Panzer - Pravda Girls High School KV-2 Tank Paper Model Free Download