Kyutaro Horikita is a "Sweeper" whose job is clear negative energy away from people's hearts. Fumi is his apprentice with no memory of her past. When a Bug Handler comes after her, Fumi will need her wits to avoid becoming a victim of his manipulation.
Kyutaro is a "Sweeper" who clears negative energy from people. When Fumi Nishioka becomes his apprentice, she hopes to settle into her life and fit in with his family, but the secrets from her past could ruin everything.
Kurosaki searches for the person who is trying to resurrect the virus he created, and wants to see Teru despite promising to leave her alone when he learns she may be in danger.
Kurosaki finally decides to tell Teru the truth about Daisy, but an unsettling character named Akira has other plans for Teru that may affect Teru's relationship with Kurosaki forever.
When Kurosaki is injured protecting Teru while they are looking for the fake Daisy, the nearly-fatal incident causes Teru to vow to stay close to Kurosaki, but the closeness may prove to be painful for them both.
Discovering Daisy's true identity shocks and further confuses Teru. Meanwhile, someone pretending to be Daisy threatens the school with a computer virus.
After her home is burglarized, Teru stays at Kurosaki's appartment, which causes a lot of tension, especially when a woman named Riko Onizuka shows up and brings up a past she shares with Kurosaki.
