The Beast Player Erin

Their Past (1x15)

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Joh-on's son comes and asks his father to become a teacher again. When his son learned that his dad had a young girl living with him, he offered to have her come live with them and have Erin marry-off. But Joh-on decides that he's happier with Erin and asks his son to deliver a letter to an old friend at an Ohju breeding school.