【Showa Retro Old Magazine】 Seiten Kenkyu (Sex Study) - Seiaijutsu Hen (Lovemaking Techniques) by Tetsutaka Takahashi March 20, 1947 Published by Seikagaku Shiryo Kenkyukai (Sex Science Materials Research Society) ○ Please check the images for age-related yellowing and damage, as this is an old magazine. The paper is thin due to being a magazine from immediately after the war, and there is rust on the staples. If you like Kasutori magazines, Kitan Club, Tatsuhiko Shibusawa, etc., please consider purchasing. ○ Ships via Nekopos, instant purchase available #KitanClub #KasutoriMagazine #TetsutakaTakahashi #ShowaRetro #TatsuhikoShibusawa #Underground #Subculture