"I've come to eat you," so softly utters the mermaid Shiori as she emerges from the sea and takes high school girl Hinako by the hand. Hinako lives alone in a town by the sea and possesses an unusually delicious body that is irresistible to nearby monsters. To ensure that she matures to the best condition, Shiori seeks to protect Hinako—all so that someday, she can devour every piece of her. What will become of Hinako's feelings as this looming unjust death closes in on her...?

Azusa Kannawa, ace of the publicity department, is known for her unmatched reliability. Her coworkers, on the other hand, find her no-nonsense demeanor intimidating. Yet, unbeknownst to them, a socially awkward woman hides underneath the facade, simply struggling with casual communication and masking it with a strong attitude. However, her mask begins to crack when a promising rookie, Yuu Kamegawa, joins the team and Azusa gets assigned as his mentor. Determined to guide Kamegawa just like how her senior once trained her, Kannawa puts utmost effort into showing him the ropes. But as they grow closer, she slowly lowers her guard, gradually revealing that the seemingly rigid department ace might actually be far kinder than anyone initially thought.

The manga is about Koala who writes about daily life, whether it's good or bad, happy or sad, Koala treats every day as a precious day. Koala believes that today is a good day, and tomorrow will be a good day too.

Kazami Bird, aiming to become a professional, meets former champion Kurosu Ex also known as 'Kamen X' and forms a team so that they can aim for the "top" of the X Tower. But what awaits them is a spectacular battle that no one has ever seen before. The yet unseen 'X'. The super accelerated (Xtreme) beyblade runs through a new era!