Robotics;Notes DaSH

The island of Tanegashima is preparing for the Summer Festival half a year after the events of ROBOTICS;NOTES ELITE. Kaito Yashio has graduated high school and is applying to attend college as he pursues his dream of becoming an astronaut.

Through Nae Tennouji, an acquaintance he knows from JAXA, he is introduced to Itaru Hashida, who happens to be on the same ferry heading back home. Itaru claims to be taking a tour of the island, but as times goes on, he starts acting strangely...