A young girl name Yumi moved to a new school and met a group of friends. When she was invited to eat lunch with them, she soon finds herself part of the group. As years pass by, Yumi retells her story about her high school days and how she came to understand love in different ways. She learns to grow together with her new friends Sanna, Jun and Chan. She falls in love, break promises, fight-but in the end she understood that she'll have the same people throughout her life.
18 parts