'Would you like to make a bet? ーIf I survive, live for me and die for me.' Haruka, who got summoned during her high school year to another world had become a magician and got herself enlisted in the army, so she had no choice but to crossdress and proceed to the battlefield under the alias "Haruka Clark." She killed people per command, and to soften her sense of guilt, she continues to heal peopleー And during that extreme situation, she met a golden knight named Ricardo and Haruka feels angry as he's trying to use death to escape from reality. 'I don't even have a place to run away to…' And while she's angry at Ricardo, Haruka proposes a bet that could be considered as her lastー!