"This is our last summer... The one we won't be able to forget." "My parents aren't coming today..." The hentai is set in 2010. The protagonist Jun has been dating Haru for several months. For the last vacation before graduation, the couple agreed to spend time at the protagonist's house. It was the day of the Obon Festival and Jun and Haru were looking forward to the fireworks to end the day with their first sex...