In the hospital, Kobato thinks back to the circumstances around Hisaka's car injury in middle school.

Kobato wakes up in the hospital and sees a box of chocolates with a message from Osanai.

Kobato remembers her encounter with Osanai when they were in middle school.

Kobato explains to Osanai how she arrived at her conclusion about the arsonist's identity.

Urino and Kobato both arrive at the site of the final fire. 

Uranino's rules spark escalating arson; Hiyori supports him while Osanai gives advice as bonds shift.

Urino has a plan to catch the arsonist in the act.

There will be a change of pace in the school newspaper. Kobato shows an interest in serial fires.

Urino begins writing articles predicting the locations of the next suspicious fires.

After starting to get involved with Osanai, Itsukaichi investigates a possible string of fires in the city.