Satou, an ordinary male student, was unable to confess his love to his childhood friend, Hime, but one day she suddenly announces she's moving far away. Satou chases after Hime and follows her through a gate of light into another world known as Arnulus!
Looking back, I thought I knew her, 
but I actually don't know anything about her.
Ich dachte, dass ich sie sehr gut kenne,
aber eigentlich weiß ich gar nichts über sie.
Ahora que caigo, creía conocerla,
pero en realidad no sé nada sobre ella.
Si lo pienso, aunque creía conocerla,
en realidad no sé nada sobre ella.
Maintenant que j’y pense,
A pensarci bene,
Eu pensei que a conhecia,
mas na verdade não sei nada sobre ela.
Я думал, что знаю её как свои
пять пальцев, но на деле всё не так.
พอมาคิดดูแล้วฉัน...