Unaired episode included with the Blu-ray box set.

Qin Lie have to guard Tang Siqi, regardless of the differences between them, and Liang Shanyan, while the strange powers coursing through his veins are beginning to slowly awaken. When Qin Lie vows to protect the instrument of sovereign, at the same time, seven Evil Clan's Lords are appearing on the field. While the most powerful secret weapon is emerging from the altar, the enemy intend to seize Qin Lie's life...

Lamune tells the story of a boy named Kenji and his childhood friend Nanami. Although, everyone seems to know that they have a relationship, neither are determined to push it anymore than close friends. The story goes through flashbacks, explaining why they are such close friends and any action doesn't seem to push them apart, but draw them closer.

3rd grade teacher Aoki Daisuke didn't expect the first class he ever taught to be one of the toughest obstacles of his life. After getting off on the wrong foot with the entire class, a moment of kind-heartedness instantly convinces one of his students, Rin Kokonoe, to make the ill-fated Aoki-sensei her lover. But what exactly are Rin's intentions for wanting to actively seduce Aoki-sensei, and will Aoki-sensei be able to help her to deal with them?