Following the loss of his mother Ayako, Takumi receives a Lygodium box with a letter inside addressed to Wira. He then decides to travel from Japan to Thailand in order to return the box to its owner.

There, Takumi meets Lita, Wira's daughter. He learns that his mother once asked Wira to teach her the art of Lygodium weaving and an incredible bond was formed though, in the end, she decided to return to Japan much to Wira's despair. Learning of their story evokes new thoughts about Takumi's own relationships.