Leaving behind nothing more than a note, Mana suddenly disappears. 
Ren and the crew try to piece together where she could have gone, 
eventually going to speak to the heavily-injured Walpurgis. 
When Walpurgis tells them Mana's secret and her plan to sacrifice herself, 
Ren and crew rush to save her.
to try to find out the secret of the moon.
um das verborgene Geheimnis
des Mondes zu lüften.
para descubrir el secreto de la Luna.
para descubrir el secreto de la Luna.
enquêter sur le secret
que renfermait la lune.
per cercare di scoprire il segreto della luna.
para tentar descobrir o segredo da lua.