If you're looking for anime similar to 30-sai no Hoken Taiiku, you might like these titles.
Fumio Fumiyama is an ordinary salaryman who dreams of success. The story follows his journey of self-improvement and attainment of goals — with a little help from Ganesha, the Indian deity that happens to have an elephant head and speak with a Kansai accent.
Supreme gods who have too much time on their hands create the ultimate "intellectual game" titled "Kamigami no Asobi." Reche, a former goddess, declares that she will find the most skilled human in this age to bring with her to challenge the gods in this game. She chooses a young man and rookie named Fey.
On his way home from drinking his sorrows away after being rejected by his crush, the 26 year old salaryman, Yoshida, finds a high school girl named Sayu sitting on the side of the road. Yoshida is completely drunk out of his mind and ends up letting Sayu stay at his place overnight. Not having the heart to put Sayu out on the streets since she ran away from home, Yoshida allows her to stay at his place... And so began the awkward, irritable, and slightly heartwarming relationship between a runaway high school girl and a salaryman living together.
After former motorcycle gang leader Yajima Kintaro saves the life of the Yamato Construction Company's CEO, he is offered a job working for the company. However, when it becomes apparent that a corrupt faction of the company is trying to gain full control, Kintaro's moral and physical strengths become more useful than the CEO ever imagined. As he works his way up the career ladder Kintaro is forced to deal with many problems, from confrontations with Yakuza bosses to preventing the collapse of a tunnel. But can an uneducated and rowdy person really make it as a salaryman?
My name is Futaba Igarashi, and my senpai, Takeda-san, is annoying. He's big, loud, always in the way, and treats me like a child because he's so tall and I'm so short. But he's also kind, caring, and willing to go above and beyond for me. For example, he stopped some pervert from filming up my skirt when we took the train together, gave me a drink when I was pulling a long shift, and even came over to my place when I was cooped up with a cold. What gives?! If he keeps acting like this, people are going to think we're dating or something...!
The daily difficulties of Moon, a salaryman that works at the product design department of Line Corporation.
Himuro-kun is a living descendant of the Snow Woman from Japanese folklore. But anytime he's around his eccentric yet kind colleague, Fuyutsuki-san, he totally freezes up! Despite the snowstorm of love that rages on in his heart, and her complete cluelessness, will he take a step forward or stay frozen in place?
Narumi Momose has had it rough: every boyfriend she’s had dumped her once they found out she was an otaku, so she’s gone to great lengths to hide it. When a chance meeting at her new job with childhood friend, fellow otaku, and now coworker Hirotaka Nifuji almost gets her secret outed at work, she comes up with a plan to make sure he never speaks up. But he comes up with a counter-proposal: why doesn’t she just date him instead? In love, there are no save points.