Episode 2.5 of "A Summer Day's Dream" series of anime shorts based on the Touhou Project shooter game series.

Pet shop owner's daughter Chika Tokorozawa spends every waking hour with her dog, Rin Tin Tin, who repays her love by watching over her while she sleeps. Based on the manga in Young Sunday magazine by Maki Otsubo, who is better known in the manga world for Mr. Cinema.

Music video for Kenshi Yonezu's song Suna no Wakusei feat. Hatsune Miku animated by Minakata Laboratory. The video was also included on the "Hatsune Miku Magical Mirai 2017" album.

Summer has arrived, and the students of Lillian Girls' Academy are on break! Yumi and Sachiko head out to the Ogasawara family's summer home, but what was supposed to be a relaxing vacation takes a turn for the worse when some of Sachiko's old acquaintances drop by for tea. These rich and snobby debutantes don't think Yumi is worthy of Sachiko's affection and they're out to make this summer one she'll regret. (Source: RightStuf)