Kaizaki Arata is twenty-seven years old and doesn't have a steady job. His parents even threaten to stop sending him money, but that's when he he meets Yoake Ryo, who has a tantalizing offer for him.

Arata meets Hishiro Chiziru, a girl who has zero communication skills but is trying her best to change.

Arata receives a grim reminder of his physical age during athletic testing.

Kariu Rena is thrown for a loop by what she thinks is Chizuru's spiteful behavior toward her.

Things come to a head between Rena and Chizuru, which reminds Arata about a traumatic experience in his past.

Onoya An and Oga Kazuomi suddenly visit Arata for a study session, after which Onoya puts the moves on Arata?!

Ryo reflects on the year before and his failure supporting test subject no. 001

Honoka is distracted by her troubles and inadvertently causes an injury to Rena.

The rift between Rena and Honoka grows ever larger as the former decides to retire from high-school volleyball, but Chizuru and Arata decide to fix things.

Things come to a head as Chizuru and Arata decide to confront Rena over her behavior.

Arata decides to visit a grave and ends up taking a trip down memory lane.

Arata, once and for all, tries to make the dense-as-can-be Kazuomi realize what he has in his hands.

At the fireworks display, everyone puts their plans into motion and tries to make things work between Kazuomi and Rena. Meanwhile, a different pairing begins to take shape...