After overhearing Mihoshi and Soma about plans together on the weekend, Saku, Hime and Edogawa follow them around town to find out what is going on, and initially they are out on a date. They eventually follow them to the grave site of Mihoshi's father who died in a car accident and everyone pays their respects. Saku, Hime and Edogawa feel awkward around Mihoshi after this. Fumie tries to give Saku a bookmark souvenir from her school trip to Hokkaido, but her glasses are broken after Saku protects her from a stray baseball. Saku offers to walks her home and on the way they run into two members of the literature club who to take her the rest of the way. Saku gets Fumie's help to set up a shooting star viewing event at school for Mihoshi, who is overcome with emotion over it.
Saku Oyagi returns to his old hometown in order to start school at Soei High School. On the first day, he runs into an old childhood friend: a second year named Mihoshi Akeno. As children, the two used to play together, with Mihoshi, or Mii-chan, being extremely fond of astronomy. After convincing Saku to join the school's astronomy club, another girl, Hime Makita, joins the club in hopes of winning over Saku. This is the story of the 6 club members of the Soei High School Astronomy Club as they soar through their lives, each maturing and changing their outlooks on life.
