Mouretsu Shuusen Kousaku (モーレツ終戦工作, Mōretsu Shūsen Kōsaku) is the twelfth volume of the Miniskirt Pirates light novel series, originally set to be released in July 2014 but delayed to August 2014.
- Chapter 1: Six Days Ago (六日前), pg.09
- Chapter 2: Five Days Ago (五日前), pg.52
- Chapter 3: Four Days Ago (四日前), pg.90
- Chapter 4: Three Days Ago (三日前), pg.129
- Chapter 5: Two Days Ago (二日前), pg.164
- Chapter 6: One Day Ago (一日前), pg.216
- Chapter 7: End of the War (終戦, Shūsen), pg.268
- Afterword: pg.270
||Marika and Lynn
||Asking if Lynn can prevent the Empire troops getting more than what they asked for.
||Coorie eating a biscuit, Misa in a bikini and shorts
||Searching for the formal protocol of the Galactic Empire against an uncontacted civilisation.
||Marika and Chiaki
||Discussing strategical planning
||Captain Marika and Gruier in suit
||Visiting the Empire Bank
||Captain Marika pointing dramatically
||Declaring war upon the Galatic Empire
||Captain Marika, Chiaki (looking alarmed) and Jenny observing the massive fleet