Flowers Natsu-hen is a sequel to developers Innocent Grey’s yuri visual novel, Flowers, and the second VN in what is supposed to be a four-part saga, with each volume representing a particular season.
Innocent Grey have released the opening movie for the VN, which you can watch above; the theme song featured in the video is “Summer Sky of Light” by Suzuyu. You can also see the announcement trailer from last year below.
Flowers Natsu-hen will release in Japan on April 17 for Windows PCs, at a debut price of 4,800 yen excluding tax. A PSP and Vita port is planned for October.