A girl named Sui has an unusual disease that causes pain in her eyes whenever she sees light. She has to be locked in a pitch black shed that has no light in it. A boy named Biki helps Sui by removing bandages, giving her food, and just talking to her. Biki's mother is worried about him getting the illness, so she tells him not to stay as long as he normally would with Sui. One day while Biki is talking to her, she tells him why she has that illness: There are Mushi in her eyes. Biki continues to take care of her until one night when he is reading by a candle, a strange pain comes to his eyes.

Ginko is on another adventure as he is brought to a very peculiar island, by a young boy Nagi. Ginko is taken to see a girl, who the island inhabitants refer to as "Ikigami" and is said to be able to perform miracles however Ginko discovers that there is more to this.

On a rainy day Ginko takes a rest from his travels and comes across a man named Kourou who seems to be obsessed with a rainbow. To pass the time Kourou reminisces in his past, with the events which led to him pursuing rainbows whenever they appear. Ginko explains to him that the rainbow which he is searching for is actually a Mushi known as "Koda" but there seems to be more to it.

Ginko arrives at a village where the men are in a heated discussion about the mountain. After learning of Ginko's identity they ask for his help to find another Mushi-shi called Mujika, who happens to be the master of the mountain. While on his trek through the mountain Ginko stumbles across a boy who's also looking for Mujika. Later they manage to find Mujika but this isn't the end of it.

Just managing to cross the treacherous Kazura Bridge, Ginko meets up with a man on the other side who takes him to meet a lady called Hana, who fell from the same bridge 3 years ago. Even though Hana survived, all she does is sit under the sun and nothing else and nobody seems to know what's wrong with her. Hana is feared to be a "Tanimodori", which are people whose minds and memories are wiped clean and they die on the night that the "One Night Bridge" shows up. From the info gathered Ginko knows that Hana is possessed by a Mushi called a "Nisekazura".

It is spring, and Ginko is taking a boat through a river, when the boat's boy, Kaji, asks Ginko whether he could help his mother, who's forgetting things and can't sleep. At first glance it may appear to be progressive amnesia, however something isn't right.

This story is about a mysterious genius artist named Kai who left his family to become better known for his talents and as a parting gift his sister made him a Haori (Man's Kimono). One day he got bored and made a Haura (painting inside the jacket) on his Haori. His master saw this and recognized his talents, so he gave Kai jobs with clients and he quickly started to become well known for his work but his fame came at a price.

Seijirou is fascinated by the stars and enjoys stargazing. One day he was by the riverbed with the village nanny Fuki when she notices a string coming down the sky and as she tries to pull all of a sudden she disappears, right before Seijirou's eye. Ginko is travelling through the mountains and is being followed by a peculiar girl. It turns out that it's Fuki, who has been exposed to a strong Mushi presence and can't be seen by anyone.

"All that is in my world... is seem sound taste and touch. That is all. That is enough..."

Finally able to reach a city, Ginko comes across a "biwa hoshi" named Amane, singing songs about Mushi and she is immediately able tell that he is a Mushi-shi. So she forces him to stay a night at an inn when she later reveals that she once saw a "Ganpuku" a very rare Mushi that will make the host see better and better until they die.