Lu Mingfei takes a special train to the mysterious Cassel College, and discovers the school's true purpose.
When the bell tolls, your past 
will come chasing after you.
.عندما يرنّ الجرس، سيأتي ماضيك لمطاردتك
Wenn die Glocke klingt,
verfolgt dich die Vergangenheit.
Quand la cloche retentit,
ton passé revient te hanter.
Quando suona la campana,
Quando o sino tocar,
seu passado virá assombrá-lo.
Со звоном колокола
прошлое начнёт преследовать тебя.