Natsu no Iro no Nostalgia is an adventure game distributed by HIKARI FIELD in December 2019. 《追忆夏色年华》是由美少女游戏品牌MOONSTONE制作的一款奇幻恋爱题材作品。讲述了主人公与妹妹时隔三年一同返回故乡生活，并与曾经关系密切的三位女孩再度相见，并深入了解她们内心隐藏的爱意与黑暗的故事。本作由山风岚负责原画，吴担当剧本，solfa制作音乐，霜月遥献唱主题曲。.
System requirements for desktop computers as stated by the developer. Updated on March 25, 2020.
The game is very lightweight to run; all modern laptops can play NnInN.
Every new laptop meets the RAM requirement of 0.5gb.
Also, note that at least 4gb of storage space is needed.