From hit Japanese ending developer Lusterise! Monsters soon begin to emerge again. Marina Katsuragi transforms into ExS-TIA once again to defeat them.

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Peace returns after the reborn Jineivra is defeated. Back from her trip, Leese returns to her own world to see how things are going. But in the meantime, monsters soon begin to emerge again. Marina Katsuragi transforms into ExS-TIA once again to defeat them. How will ExS-TIA fight against this new, formidable threat? The curtain on the battlefield rises once more.