Evening came quickly, and Rino would not have known if it wasn't for the soap making ladies knocking at the door to inform him that they finished making the soap and washing the slime off the frog skin that they managed to hang for drying.
"We will stop here for today," he told Erika. "Please revise what I taught and practice by yourself until I see you the next time to test you on what you learned."
The female ghoul bowed and thanked Rino before returning to his shadows. Rino had to say, her learning speed was impressive. He managed to teach her all the alphabets, how to read them and write. Then, he taught her how to count to a hundred and explained how written numbers are formed. Even though Erika did not understand what thousands and millions were, she wrote them out when asked in chronology sequence.