Now came Spinarak's most active time of the day; nighttime! She mostly spent her time in her spider form, but it was still fun trying to be a ninja around the school (and probably failing at it, since she wasn't that athletic) while everyone else was getting ready to sleep or sleeping at all.
What she needed to do was not to make too much noise.
Night to Late nights (9pm - 4am)
What she needed to do was not to make too much noise.