Chinese name: 花語百合
From Visual Novel Database:
Developer: Narrator and STORIA
Released in 30 March 2019. Diary1 DLC released in 23 April 2014.
Game contains 6 CGs, Diary1 DLC contains an additional CG (7 altogether).
Game and soundtrack DLC contains 12 BGM altogether.
Chinese Traditional gameplay videos with author commentary on YouTube by 溫泉の頻道
Full review of game:
Steam store page: