Kikakugai Size no Ore, Bitch-senpai ni Osowareru!?

"On the rainy day that Kumano resigns from his job because of his big schlong, he runs into a small, cute guy named Miyake, and gets completely soaked!! When Miyake invites him to his home as an apology, Kumano’s girthy johnson gets turned on by his sly eroticism…!! When Miyake realizes, he says “If this goes in me, I think my body might break!” and starts shaking his hips…!? Afterwards, Kumano returns home like he’s trying to escape, but when he starts working at his new job, he finds the same Miyake there that he had such a tempestuous encounter with just a few days before…!!Secretly sadistic subordinate with a monster dong x Slutty superior with a proclivity for sexual harrassment. ★ A stimulating office worker love story!"