Japanese name: ちゅーそつ! 1st graduation ～ちゅーそつのTime After Time～
From Visual Novel Database:
Developer and publisher: Studio Beast (Contain 18+ content)
Publishers: Fruitbat Factory and NovelPark
Japanese version released in 14 August 2016. English version released on Steam in 24 April 2018.
Character sprites, introduction and a selection of screenshots at Fruitbat Factory website.
Steam trading cards consist of 7 artwork, each with a different character sprite on a different background scene, the character name, portrait and game logo at a different corner.
Steam profile backgrounds consist of 10 artwork, each containing a different SD character sprite or a background CG in the game.
Game contains 19 CGs altogether.
Game consists of a theme song with vocals and 12 BGM (13 altogether)
Two variations of the opening theme on YouTube by Fruitbat Factory
Initial gameplay video on YouTube by SirrFuchs
Full gameplay playlist on YouTube by SirrFuchs
Full review of game:
Steam store page:
Fruitbat Factory game page:
JAST USA game page:
MangaGamer game page (MangaGamer website has NSFW content on their site):