If you're looking for manga similar to The Guy I'm into Is a You-Know-What!, you might like these titles.
Nana Adachi is a geeky, plain girl who works an office job. She dreams of being a yaoi comic artist. Minato Kashiwagi is two years younger than her and is a party boy who works in the sales division of the same company. He picks on Nana again, and she finally decides to go to a club with him! Minato seems to have some kind of secret... He wants her to feel everything and remember it for her comics. What should she do? It's her first time, but the sensations are too strong and she's left speechless. How will Nana react to the aggressive Minato...?
Mei Hino is a geek who draws fan comics about her favorite dating simulation game (which revolves around King and the multiple guys who fall in love with him). After having trouble with her rent, Mei has to start living with a stranger called Seiji... who looks exactly like King from the game!! Seiji tells Mei not to fall in love with him, and she responds by saying she doesn't find him attractive at all (because she's not interested in real men). This hurts Seiji's pride, and he sets out to prove he's still desirable to women... Will the geek girl get her king!?
"I won't hand you over to anyone, Yume." One day, Taiyo, a handsome delinquent, fell from the sky right in front of hard-core yaoi fan Yume. He's got a mean stare, blond hair, and he's terrifying... "RUN!" Or so Yume thought, but he actually has a super sexy voice! What's more, he spends every day fooling around with his male classmate! Yume thinks about hearing him moan... Then starts fantasizing about it... Then her foot slips, and... suddenly she's on top of his face... "Ah! Wait... No... If you move your lips down there, I'm going to... Nh! I can't take it...!" An overly earnest and pure punk boy and a perverted girl's comedic love story begins!
"You seduced me first." Late at night in the office my coworker suddenly turned into a sadist. He keeps cruelly staring at me and it makes me shiver...!?
Ranko is busy every day working as an editor. Her dreams of marrying her lover were shattered she found out he was cheating. In her confusion, she went out for drinks with her coworker Akira Yuki, who was in the same be wildering situation as her!! The two kindred spirits went on to sleep with each other to lick each other's wounds... Though Akira was quite mysterious and aloof, his unexpected skills with his fingers and the way he used his tongue made her body shiver with ecstasy...
She's an ordinary office worker, but her ex has spread a rumor about her "fabled pussy." Seri wants to be loved for herself, not just for her body. Then Seri is put in charge of training a freshly graduated, new employee, Haruki. As she gets more opportunities to talk with Haruki, Seri is attracted to his casual kindness and carefree smile. Then one day, Haruki tells her, "I love you. Please go out with me"!? But when Seri replies, "I love you, too... but I want a relationship with no sex!" what will Haruki do?
Haruka Tsukamoto begins working at the adult goods department of her company after having too many drinks at a company party. No matter how many files she reads about her company's products, she just can't keep up... after all... she doesn't have any of that kind of experience...!! Just when she's worried she's about to get fired, Mr. Okada, the coworker she's always looked up to, comes to her and offers to help her test their products together! ...Wait, whaaat!? The slightest touch of a love egg on her neck... his hand slowly going down her body... and on to her most sensitive spots... No way... he's only stimulating her through her clothes... and yet she's completely lost in him...!!!
Riku and Miyu work at the same design company, but the second they come face to face, they start annoying each other and fight like cats and dogs!! But, the truth is, they actually like each other! They're both "unrequited lovers," who just can't be honest with one another!! Even when they try to get closer, they just end up fighting again... However, one day, after Miyu got drunk and almost blurted out her confession, the situation suddenly changed! "You actually what!? If you don't say it... I'll kiss you, you know!?" Unable to take it anymore, Riku throws her onto the bed! What will happen to their clumsy, argumentative, pure and adorable love...!?
Due to past sexual trauma, Haruka was unable to find new love. Who knew meeting her strong-willed co-worker Yanase at a mixer and while under the influence would lead to an overnight stay at a hotel together?! Haruka was thrilled by his unusual and gentle behavior, but then Yanase told her that she could thank him for taking care of her by having sex with him...? Is that even okay to do here? Hearing Yanase's sweet whispering voice excites her body, which normally has aversions to sex. Why is her body suddenly sensitive and where are the noises of pleasure coming from..!