The school holds a marathon to celebrate popular Tsukasa’s return to campus after a long absence. When she quickly vanishes from the roll again, Sasami go to Tsukasa’s house to figure out why.
So, to protect your precious only 
daughter, you locked her up.
.لحماسة فتاتك الغالية الوحيدة، قمت بحبسها
Also haben Sie Ihre geliebte Tochter
zu ihrem Schutz hier eingesperrt.