Discover a collection of Black Heart-related products! (Black Heart Game + Artbook + OST + Voice Clip)

Discover a collection of adorable games from the developer CatDoors! (Black Academy + Black Heart)

Discover a complete collection of all products from the adorable game developer CatDoors! (Black Academy + Black Heart + Black Heart Artbook + Black Heart OST + Black Heart Voice Clips)

Discover a collection of Black Heart-related products! (Black Heart SP + Artbook SP + OST + Voice Clip)

School life is hell... but it's actually run by demons?! Transform into a magical girl and defeat the demons responsible for overtime! (Horizontal-scrolling shooter x Roguelite)

Hellish school life... but it's actually run by demons?! A combination of side-scrolling shooter and roguelite. The students discover the academy's true identity!? Transform into magical girls and fight against the demons!

The company life you've been enduring... A woman who will turn your routine upside down arrives! A love story unfolding within a black corporate world: <Black Heart>

The company life you've been enduring... A woman who will turn your routine upside down arrives! A love story unfolding within a black corporate world: <Black Heart>

This is an illustration book that contains the production process of Black Heart from the rough stage to completion.

Deck-building roguelike. In "Hayo and the General Store," you never know where your chosen items and customers will appear. Strategically manage your store to keep it afloat!

지옥 같은 학교생활… 사실은 악마가 운영하는 학교라고?!

꾹 참고만 살던 회사 생활... 일상을 뒤엎을 그녀가 찾아온다! 블랙 기업 속에서 벌어지는 러브 스토리 <블랙 하트>