Fireworks
As the gang holds a party in Menma's honour in preparation for tomorrow's fireworks, Chiriko becomes cold towards Atsumu, mentioning that on that day, Menma apparently wanted to do something for Jinta. On the night of the party, Atsumu has Naruko and Tetsudō pressure Jinta into admitting his true feelings for Menma in front of everyone. As Naruko laments his answer, Chiriko reveals to her that she loves Atsumu, to which Naruko admits she loves Jinta. Jinta asks Menma if she would rather stay here so that they could be together, to which Menma responds that she plans to go on to heaven and be reincarnated. On the day of the firework launch, Satoshi comes to watch whilst Jinta has doubts of going through with it. Jinta wants to stop the firework, however, he's too late. As the firework launches, Jinta suddenly heard Menma's voice, he looked behind and saw Menma admiring the fireworks.
Aired 17/06/2011EP 10 - Fireworks

Anohana: The Flower We Saw That Day
Jinta Yadomi and his group of childhood friends have become estranged after a tragic accident split them apart. Now in their high school years, a sudden surprise forces each of them to confront their guilt over what happened that day and come to terms with the ghosts of their past.
(Source: NIS America)