Finger Whistle - Period Horror Gekiga by Miki Thorn * Tsubame Publishing

Miki Thorn a.k.a. Miki Ibara (1928-) - Finger Whistle published in the bundle 'Kojima Gosyu Fantasies and Mysteries' (1964) by Tsubame Publishing & Miki Ibara masterpiece collection
One of the few gekiga mangaka that combined period drama with horror and continued upon the horror path long after rental manga was replaced with mangazines ...
Miki was one of the main protagonists of 'Skylark Books'
He not only drew some amazing graphic novels but he also published several horror books at 'Hibari Shobo'
Shigeru Mizuki's "Comic Showa History" features a manga artist named "Ibaramichi" who is modeled after him