How to Sing to Open Your Heart is on Kickstarter. The game is a multilingual otome visual novel about the protagonist changing a cat girl's point of view towards humans and is part of the How to series. Currently, the developer has reached ¥120,329 out of their ¥600,000 goal with 23 days left remaning. For more details, check out their Kickstarter page. Here's a trailer.
Official Website: http://www.roseverte.net/