KOHAKU_j

Synopsis:
The story begins with a chilling atmosphere at night. An unnamed protagonist hears the sound of the bedroom door slowly opening. Initially, they think it might be a thief and prepare to defend themselves. However, instead of a thief, a person dressed in ancient Roman-style royal attire appears before them, exuding a captivating presence.

The tension builds as the bedroom door swings wide open, revealing a dark and empty corridor. The protagonist senses danger lurking and hears slow footsteps approaching. Suddenly, someone strange and mysterious emerges from the emptiness, addressing the protagonist as "Sister" and walking like a zombie. They plead for help, crying, while the protagonist feels scared, thinking that their heart is about to burst.

The story then shifts to the protagonist's everyday life, highlighting their incredibly adorable younger sibling. The protagonist tries to distract themselves by warning their sibling not to watch horror movies at night. However, the sibling insists on being accompanied to the toilet, despite being old enough to go alone.

After accompanying their sibling to the toilet, the protagonist returns to their room and feels fearful of the previous night's events. They decide to open the bathroom door, but there is no response from their sibling, Mari. With caution, the protagonist opens the door and is shocked by what they see inside the bathroom.

The synopsis covers the initial chilling encounter at night, the mysterious person addressing the protagonist as "Sister," and the tense bathroom scene with their sibling, Mari. The story combines elements of mystery, fear, and family relationships that can captivate readers and pique their curiosity to learn more about the detailed development of the story.

Table of Today my heart is filled with otherworldly girls

Table of contents

Volume 1