Valentine's Day is approaching; Hosaka is still trying to express his love to Haruka by cooking, cross-dressing Mako-chan fears to be found out, Kana-sensei teaches the other girls how to win Valentine's Day, and Fujioka is desperately trying to receive Kana's chocolate.

The slightly mysterious daily life of Sakura Miko, a virtual shrine maiden at the Dennou Sakura shrine.

The story takes place during a conflict between the Krakozhia Dukedom and the Grania Republic. In the midst of the fighting, a savior appears to the Krakozhia Dukedom, and it is a high school student named Yano Souhei. Two female soldiers, First Lieutenant Ruto and Second Lieutenant Haruka, appear in tanks to intrude on Souhei's everyday life, followed by the enemy soldier Shachirofu, all of whom use firearms without hesitation at his house. (Source: ANN)

Second Minami-ke OVA bundled with the 11th volume of the manga. Chiaki, Kana, and Haruka decide how to spend their last few days of summer together. Kana struggles to finish her homework.