noun
heart mail (postcard for Respect-for-the-Aged Day)
A product name for a postcard sent to elderly people on Respect-for-the-Aged Day (敬老の日).
今年の敬老の日には、祖母にはあとめーるを送ろうと思う。
This Respect-for-the-Aged Day, I think I'll send my grandmother a heart mail postcard.