THIS is the real suo btw. these are faces he secretly made to himself. we heard some of his internal dialogue before. DONT LET HIM GASLIGHT YOU GUYS NOT EVEN NIREI IS FALLING FOR HIS SHIT im betting my ass nirei only got angrier because he KNOWS suo is putting on an act
This is how shading and gradation in manga was done in during pre-digital era; using screentones. Lots of meticulous shaping, scraping, scoring to get the desired shading effect.
Every. Single. Panel. Manga is hard work. 🥲