【cocoa】Email from Polin aliens

This is not a science fiction manga. It’s a human drama.
[story synopsis] Grandma wears her deceased grandson’s cell phone.
One day, she receives a text message on her cell phone from a man who calls himself “Alien Polin". In it, she writes a suicide note to her grandson, saying that she wants to die.
Grandma pretends to be her grandson, and keeps sending e-mails to dissuade him.
Cover in color, main story in black and white. 34 pages.