Different world health law for 2 months (Volume 1-3 is the latest issue)

the publisher:
Author: Munakata
Size: 128mm x 182mm
Number of books: 3
Language: Japanese
Category: Youth manga, manga
Latest publication date: 2023-11-22

Synopsis:
A two -month -old grandfather transitions to a different world!? Fight and extend the life !!

Grandpa Kaichi Takemura (Kaichi), who is over 80 years old, is a unique Aiki musical master,
They can't beat the annual wave and receive a life declaration.
As the death is approaching, a huge rhino suddenly appears in front of you.