On the night of the new moon, Towa learns more about her human mother, Rin. Riku pays Towa a visit to tell her about the ones who took care of him. Unfortunately, he’s not the only one planning to drop by.
I wonder why. 
 I can't seem to understand it myself.
.أتساءل عن السبب. لا أستطيع فهم الأمر بدوري
И правда, почему?