The Serious Succubus Hiragi-san

The strait-laced Kusakabe found out that his prim OL neighbor Hiiragi-san is actually a succubus! She didn't want to do anything criminal, so she got a normal job to earn money for a place to live and make a living first. Now she's ready to properly suck a man dry! Will Kusakabe be able to resist Hiiragi-san's supernatural charm?

(Source: Shonen Jump+, translated)

Note: Includes 3 extra chapters.