Arclight of the Point at Infinity: Arclight of the Sky.Arriving in a world line where Amadeus doesn't exist, Rintaro heads towards the roof, receiving help from Moeka in getting past Leskinen. As Rintaro urges Mayuri and Suzuha to head to the past, Kagari, who decides to place her faith in Rintaro, helps him to hold back the enemy just long enough for the time machine to successfully leave before the helicopter attacks...