Chapter 35 of the Hoshikuzu Serenade manga revealed that it will end in its next chapter.
The work is a sequel to the manga Hoshi no Hitomi no Silhouette by Hiiragi, Tokuma Shoten publisher's Comic Tatan website in December 2018. Additionally, the work is also published on the Comic Zenon .
Synopsis:
The story follows the life of Yuzuki Setogawa, a new university student who meets an attractive man on the day of her entrance ceremony.
The fourth volume of the Hoshikuzu Serenade manga was published on March 18th, and the fifth volume will be released on December 20th of this year.
Finally, Amazon lists the fifth volume as the final one.
Source: ANN