Hiroto and his cousin Natsumi decide to relive their childhood by sitting up on the roof, but the touching moment takes a disastrous turn when Natsumi suddenly slips and falls! After waking up in the hospital, Natsumi can't help but question how she survived. She's been questioning a lot lately, but in some ways, maybe this accident will finally give her the answers she needs to start moving forward again.

Volume 9 of the Hirayasumi manga series by Keigo Shinzo.