Hiro moves in with Nagi, Sachi and Erika. Friction arises, but they're reminded of what happiness might mean.

Hiro is kidnapped and Nagi immediately sets out to save her.

Nagi is suddenly hit with the truth about Ai’s real objective.

Hiro is preparing for a festival that's about to be held at her shrine.

The world now knows the face of singer Mochizuki Ai, who created the song “Arc Fault.”

Nagi and Erika are trapped in a hotel room by her mother, who seems to be playing with them.

Ai shows up in Nagi's and Erika's hotel room.

Nagi and Hiro prepare for their wedding.

Sachi interrupts Hiro and Nagi's fake wedding, causing confusion for everyone.

The school cultural festival begins and Nagi is tasked with representing his class in a competition.

The day of the cultural festival arrives and Nagi and Erika prepare to win with their act.

The girls try to explain away Erika's kiss with Nagi.