Sirene F

Sirene F is a Mortar Headd from The Five Star Stories (ファイブスター物語), belonging to the Sirene/Siren family of machines. The Sirene identity carries an elegant and noble impression, matching the series’ preference for machines that feel like armoured knights rather than industrial robots.

Sirene F is best understood through its place in the FSS Mortar Headd tradition: a high-performance machine operated by a Headliner and a Fatima, with beauty and lineage treated as part of its battlefield identity. Its long-limbed silhouette, refined armour and aristocratic atmosphere make it feel like a personalised knight’s machine from the Joker System, not a mass-produced mobile suit or standard military unit.