Throughout the adventure, original illustrations (also known as CGs) will sometimes take visual focus over key scenes in the story, instead of standard background art and character sprites.

The main character, washed up on the shore and claiming that he has traveled back in time, works with three girls from the influential families in order to challenge island traditions.

Throughout gameplay, the player is given multiple options to choose from, and text progression pauses at these points until a choice is made.

Rated for all ages, the development staff classifies the game as a "momentary and eternal fairy tale" (せつなとえいえんのおとぎばなし, Setsuna to eien no otogibanashi).

[16] A port for the Nintendo Switch was released on 8 April 2021 in Japan and contains an English language option for importers of the physical version.

[18][19] A two-chapter manga adaptation by Naoya Yao was serialized in Simsum Media's Cosplay Channel magazine from 21 April[18] to 11 July 2016.

A 12-episode anime television series adaptation, directed by Keiichiro Kawaguchi at Feel,[20] aired from 1 July to 16 September 2018 on Tokyo MX and other channels.

There are four insert songs performed by the main characters: "Lasting Memories" by Rinne Ohara (Tamura), "Purest Summer" by Karen Kurutsu (Kana Asumi), "Tennen Kinen Girl Janai yo" (天然記念ガールじゃないよ) by Sara Garandou (Hibiku Yamamura) and "Quiet sea" by Rinne Ohara (Tamura) and Setsuna Sanzenkai (Tatsuhisa Suzuki).

Due to this, Haikyo sent the production a list of suggested actors who could replace Murakawa, and in the end, Hibiku Yamamura was chosen.