This study intended to deeply understand teachers' experiences about their self-supervision at after-school nurseries through many different stories. This study composed field texts based on the data collected through face-to-face talks with participants, their journals, and e-mails and phone conversations given and taken with participants for a total of 4 months from September to the end of December, 2012. The teachers all had ten years teaching experience, and worked as after-school nursery teachers in S-gu, S-si. The study found many things such as experiencing the joy of learning things that were unknown through self-supervision, hardship involved in self-supervision, co-workers dedicated to joint learning, and time and spaced used to better understand children. The study figured out that the meaning of self-supervision lay in the pursuit of learning and bright eyes(seeing what was not seen before), despite the difficult condition to self-supervise, the after-school nursery teachers unceasing passion for self-supervision brings happiness within oneself. As a result, this study discussed the implications which the experience of after-school nursery teachers who found a happy meaning of life through self-supervision in spite of the actual difficult conditions offered to after-school nursery teachers.