Something's Wrong With Sunny Day Jack...

He's kind! He's sweet! And he's never without a smile on his face!

He calls himself Sunny Day Jack, and there's nothing he wants more than to spend every day together with you. In a world full of dark, cloudy skies, it almost seems too good to be true.

...And it just might be.

Something strange is going on with Jack. And whatever it is, it's sinister. Now, Jack will do nothing to secure your shared happily ever after at any cost.

Can you resist his tantilizing promises of forever warmth and happiness in a world so filled with misery? Can you protect your friends, your loved ones, from his jealous wrath? Or will you succumb to his charms in this R-18 visual novel filled with nostalgia, romance, and horror.

Something's Wrong With Sunny Day Jack is a horror eroge about navigating your relationships and investigating the truth behind the titular Sunny Day Jack. Fend off his distorted attempts at affection, or give in and bask in the light of his twisted love. The choice is up to you...

Characters