Kasasagi - かささぎ

Why Sus have the nickname Kasasagi - かささぎ

OM: What are you hiding Sus?

Sus: Nothing....

OM: Can I see?

Sus: But... but... They're mine!

OM: I don't know if I want to know where you got those...

Sus: Good! Uncle American Express paid them.

OM: Ohuh....

Sus: They are so, so, glittery... :omg:

Sus: ...and they are mine....

OM: Walking away (for himself) Kasasagi...

Sus: I heard that!