Supipara - Chapter 2 Spring Has Come! is on Steam. The game is a standalone episode visual novel about a boy wants to have a peaceful, but gets interrupted by his classmates. Current special 10% off release price is $13.49 or ¥1447.42 until April 19. For more details, check out the store page. Here's the opening trailer.
Official Website: http://mangagamer.org/supipara/