It Starts from the Inside - Recommendations

Alt title: Hajimari wa Naka Kara

It Starts from the Inside

If you're looking for manga similar to It Starts from the Inside, you might like these titles.

Midnight Sadistic

Midnight Sadistic

"You know what you look like right now? You have that look on your face that says, "I'm happy to be teased." As retribution for his debtor's nocturnal escape, Takuma now works for a loan shark company and eventually freeloads at his company President, Koujina's storage room. But then, one night, he was offered to give the president fellatio in exchange for money, which led him to realize that he was an "extreme masochist"! "I want to be satisfied by the President's teasing again...!"

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Overstepping the Boss

Overstepping the Boss

Yuri, a sadist, gets caught while gossiping about Dowon, the team leader. He's usually abusive to his subordinates, and Yuri gets caught up as a new victim in his workplace bullying. However, Yuri turns the tables after he accidentally discovers Dowon's weakness and cunningly uses it to his advantage. Dowon gets a taste of his own medicine when he's forced to do things he wouldn't usually be able to handle~ "Be honest, team leader. This isn't your first time, is it?"

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My Manager's So Hot, It's Against Compliance!

My Manager's So Hot, It's Against Compliance!

Can his manager really only climax when someone explodes inside him...!? Shun Sakuragi loves hooking up with random guys and uses a dating app to find eligible bachelors. One day, he matches with a hot-looking sales rep who's hunting for some quick action! He heads to a hotel to meet and is shocked to find his date for the night is actually his boss, Takuya Kurose...! He barely has a chance to figure out what's going on before the usually serious Takuya is using his wiles on him to get him into bed... It's incredible!!! Shun's addicted to the pleasure and before he knows it, he finds himself falling for Takuya... What will happen when a manager who's too hot to handle and his staff who's only looking for a good time find the perfect match for love in each other...!?Takuya begs Shun to climax inside him. The only problem is that Takuya is Shun's boss, and the latter has some reservations about dipping into the office punch bowl. That might change, though, when Shun realizes how great Takuya is in bed!

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The Two Sides of an Envious Heart

The Two Sides of an Envious Heart

"I can't believe this is your first time. You're a natural, sir." Perfect in every way from looks, personality, and work ethic, salaryman Shirosawa's team leader Kurotake has got him beat. But when they happen to match on an anonymous gay hookup app, Shirosawa's got the chance to find his weak spots. What starts as some light teasing leads to Shirosawa unraveling the tightly-wound Kurotake in bed... and maybe one night of pent-up jealousy and chemistry between one laid-back office worker and his no-nonsense superior can turn into something more?

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My Demon Boss, Mr. Gokudera, Wants To Be Exposed!

My Demon Boss, Mr. Gokudera, Wants To Be Exposed!

Shouji's new boss is a merciless beast. He might be great for the bottom line, but he's definitely done a number on Shouji's work-life balance - and his love life! One fateful weekend, Shouji sees his fearsome boss, Mr. Gokudera, in the flesh, coming out of a women's lingerie store. Recently heartbroken, Shouji thinks it's unfair that his boss gets to have a girlfriend - but is all that lingerie really for someone else?

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Tie Me Down and Open Me Up

Tie Me Down and Open Me Up

The ladies love Rihito, but his secret obsession keeps ruining his relationships. His younger co-worker, Tomoki, is in love with him despite his quirks. He keeps asking Rihito to give him a chance, but the man just laughs and says he isn't into men. One night, Rihito's curiosity gets the better of him while they're drinking at his place, and he takes advantage of Tomoki's feelings to get the younger man to tie him up... The exploration and romance between a businessman and his easily manipulated co-worker just escalates from there!

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Sugar & Mustard

Sugar & Mustard

It’s a world where S and M matches get systematically created. Office worker Masachika (M) is introduced to the younger university student, Seiji (S). Masachika intended on taking the lead, but he was led around by Seiji’s unexpected S techniques, and made to come relentlessly! With their physical compatibility being ◎, and their natural transition into living together, Masachika plans to coach Seiji into becoming his type. However, the gap between Seiji’s kindness and his relentless attacks makes Masachika’s heart skip a beat!?

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Akuheki

Akuheki

How far can someone bully you until you snap? Daimon has had to endure Kojima's relentless teasing and nagging at work, to the point that bullying Daimon became customary inside the company. But could Kojima's attitude be because he actually likes Daimon? Let's find out!

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Do Do Do S-kyuu Kareshi

Do Do Do S-kyuu Kareshi

The super elite of the systems development department, the super sadistic section chief, Maezono Tamaki… is actually a super masochist. For the sake of doing his job efficiently, he has been earnestly concealing his real nature. However, Tamaki has a subordinate who confessed to him and wasn’t crushed, even when he shouted at him. Since then, he has been conscious of his subordinate, Sano, and continues to commit mistakes while working.

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Tomodachi Dakedo Oishisou

Tomodachi Dakedo Oishisou

"Mamiya Takatora may look like a baby-faced salaryman on the outside, but he’s a total dom on the inside – and an otaku to boot. Yuki Chihiro is his chatterbox pizza delivery guy. Though they seemingly have nothing in common, the two decide to become friends – the problem being that Takatora gets aroused just looking at Hiro’s smile and perfect body! “Would you pull out already!?” What will become of the sex life of an asocial otaku and his cheerful friend…

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