Dear killer (volume 1-4 is the latest issue)

Publisher: Shueisha
Author: Hide Angel
Size: 112mm x 174mm
Number of books: 4
Language: Japanese
Category: Shonen manga, manga
Latest publication date: 2015-06-04

Synopsis:
Yashiro is an unusual killer. The style is ──? After meeting the timing and how to kill, it performed properly as promised. The kindness, polite, and accurate comparison in the world. The first boy who enjoys the exchange of letters with Yashiro. Continue rehabilitation while waiting for the time to be killed ──!?