ข้อมูลอนิเมะMushi-Uta

A Mushitsuki by the name of Yuki is hunted down and killed by the Special Environmental Conservation Executive Office. The Mushibane almost save him, but eventually fail. In the second half of the episode, Kakkō is introduced to his new school as Daisuke Kusuriya, and the episode concludes with the meeting between Kakkō and Shiika.

Kakkō and Shiika start to get to know each other better, whilst Kakkō's classmates start to get somewhat curious about his relationship with Shiika. The episode also shows us Shīka's background, how she discovered her powers as a Mushitsuki and her arrest by SEPB.

Daisuke and Shiika meet again at the city's Kaihin Park. Unknown to the pair, both Mushibane and SEPB are there too. SEPB surrounds both groups and attempts to detain them, although Mushibane manage to fend them off.

While struggling to protect Rina, Centi's mushi enters the maturation process and becomes a giant monster, and she finds no option but to take it down in order to save Centi's life.

After the incident at the park, Shiika ends up finding shelter at Rina's place. While getting used to her new life, she and Kakkō reminisce about the day when they first met.

Rina grants Shiika's request to visit her school, while one of her friends starts to experience some strange phenomena.

Three new hunters from SEPB are sent into Ōka to aid in the search for Shiika. Meanwhile, Asami also discovers the truth about her.

Kasuo pursues Asami into digital space, where Kakkō narrowly saves her. Asami and Kasuo escape from digital space, but Kakkō is left behind. The next day, Kasuo destroys Asami's Mushi, causing her to become one of the Fallen.

Shiika and Daisuke go on a date to the planetarium, but when they are seen together by Rina, each girl realizes the other's feelings for him. In the same occasion, both Daisuke and Rina discovered Shiika's true identity.