If you're looking for anime similar to Why the Hell are You Here, Teacher!? Thirteenth Period, you might like these titles.
Asami Onohara is a typical seventeen-year-old high school girl – except for the fact that she’s married to her physics teacher, Kyousuke Ichimaru. Since a relationship between a teacher and student is inappropriate, the two must hide their status from the world; in fact, the two have not yet consummated their marriage. As their everyday lives continue, new obstacles to their love present themselves daily. Can the two keep their secret safe, and will Kyousuke ever show his affection for Asami?
Before Kyoko became the manager of Maison Ikkoku, she had an unconventional courtship with her high school teacher, Soichiro Otonashi. With a heavy heart, Kyoko remembers the brief time she spent with her first love and first husband.
During the 5th grade summer break, the trio of Usa, Kuro, and Kokonoe accompany Aoki-sensei and Hoin-sensei to Aoki's hometown where they meet up with his younger sister Chika. This side story follows the group as they spend several days of their vacation by the sea.
Aoki Daisuke is a fresh, new elementary school teacher, eager to help shape and guide his young students. But he got more than he bargained for with Kokonoe Rin! This saucy third grader has knowledge beyond her years, and a deep-seated mistrust and loathing of adults. She will go to any lengths to protect her friends Kuro and Mimi, including harassment, extortion, threats, and sexual blackmail. And yet, with her friends, she is kind, caring, and self-sacrificing. Can Daisuke gain Rin's trust and save her from her dark side without falling victim to it himself?
Tairaku is a teacher who wants nothing more than to bed his co-worker, Miss Satsuki, but his priorities soon change upon meeting daughter-of-the-mob Aya Shirakaba! With a reward of 100 million yen upon her graduation, Tairaku is strongarmed into the position of babysitter by the mob boss himself, under the condition that he protect his young lass from any who would harm her. Unfortunately for Tairaku, more than one street punk and classmate wants to get in Aya's pants, willing or not! Can Tairaku keep Aya's virginity intact, lest he find himself sleeping with the fishes?
Ehara Tokiro is looking forward to his first day as a new teacher in an esteemed all-girls school, dreaming of young and naive females being coy and flirting with him. What Mr. Tokiro wasn’t expecting was to become intimate with the sexually-charged Miyako Hase, especially after discovering the randy little minx is one of his new students! Using her feminine wiles and dirty tricks, Miyako makes a proposition to her homeroom teacher that no red-blooded male could refuse. The only question is, can Ehara’s teaching principles overcome the stirring in his loins when confronted by a beautiful -and naked - pupil?
Another year older means more responsibility at both school and home for Rin, Mimi and Kuro. Unfortunately for Aoki-sensei, that doesn’t mean that the precocious Rin is any better behaved; in fact, being in 4th grade seems to have made her even more determined to seduce her teacher! With the added stresses of a sports meet and her new role as class representative, the hyperactive girl still manages to keep a smile on her face and supports her two best friends through thick and thin. Will the classroom ever be the same again?
High schooler Masahiro Setagawa is a fairly helpless delinquent, so much so that the neighborhood bullies use him to run their errands. His life changes when he meets high school teacher Kosuke Oshiba, a man whose fighting abilities have earned him a powerful reputation on the streets. Oshiba finds himself with a desire to protect Setagawa, and despite swearing that he's not interested in men, Setagawa finds himself getting more involved in Oshiba's affairs…
Aoki Daisuke is a fresh, new elementary school teacher, eager to help shape and guide his young students. But he got more than he bargained for with Kokonoe Rin! This saucy third grader has knowledge beyond her years, and a deep-seated mistrust and loathing of adults. She will go to any lengths to protect her friends Kuro and Mimi, including harassment, extortion, threats, and sexual blackmail. And yet, with her friends, she is kind, caring, and self-sacrificing. Can Daisuke gain Rin's trust and save her from her dark side without falling victim to it himself?