A gate to another dimension has burst open, and from it emerge gigantic, invincible creatures that threaten all of humanity. Earth's only defense is a mysterious group of warriors who have co-opted the alien technology in order to fight back!

17-year-old Ichirou Satou is an average guy who always happens to find himself in a perverted situation with his teacher, Kana Kojima. Follow this erotic love comedy about their mishaps and how Ichirou and Kana choose to handle them.

The four Golden Times one-shot prequels are included formally as Chapters 1-4 of Nande koko ni sensei ga!? in the Volume 01 Tankobon. The series continuation begins at Chapter 5. Later chapters and volumes follow new student-teacher couples at the same school Ichirou and Kana attend.

Iori is a young man in his twenties who has been stressed at work, lost his cat that he had kept for many years, and is suffering from insomnia and loss of appetite. The next morning, he finds a beautiful, naked girl lying beside him...?

Work is always on time, no play, always wrinkled between the eyebrows, the intimate atmosphere of the OL, Harukawa's back is a non-standard big eater that rises with tension in front of food (& Natural) was a girl !!
Harukawa's pleasantly exciting eating and knowing one side of Harukawa little by little, attention is also paid to the relationship with his colleague, Serizawa, who seems to shrink and does not shrink, a food love.

The series follows Kyouko Okita, a buxom housewife who's just recently moved into a new neighborhood with her husband. There she tries to adjust to her new neighborhood, make new friends, and deal with the quirkiness of her everyday life.

Kuruto gets kicked out of the hero's party for being too useless. However he discovers that in everything else, like cooking, building, magic tool crafting, etc., he's SSS rank.

The more he carries, the stronger he becomes! An unmatched fantasy by the weakest adventurer duo!

Ryuk, a boy with a unique skill “Porter,” which allows him to carry a massive amount of items, was being exploited as a chore boy for the S-rank party “Black Lion of Foresight.” One day, the party managed to acquire a storage item more convenient than Ryuk’s skill, thus no longer needed, Ryuk is banished inside a dangerous dungeon. Despairing in this hopeless situation, suddenly he meets a shrine maiden girl, Mio — and then?

The club room of the defunct Tea Ceremony Club has been taken over by a 4-person group calling themselves "The Amusement Club". A full-bodied comedy, overflowing with love, it's guaranteed to give you the energy to live healthily and heartily for tomorrow.

*Contains the story Hearts Melting Together in vol. 2.

A girl tries to "buy" her female classmate with money.

Leon was reincarnated in the world of an otome game that he was forced by his sister to conquer just before his death. He tried to live a peaceful life as a mob character, but he encountered a scene where a female student ignored the flow of the story and tried to become the main character. Leon ended up seizing Marie, a girl who had a similar atmosphere to his sister from his previous life, and succeeded in thwarting the scheme. It should have have been the right choice... but why was he feeling uneasy about it?

Fujinomiya Soujirou is transported to a fantasy world with only his Daisho (pair of samurai swords) in hand. The katana can talk and swiftly informs him that it is Hotarumaru, the legendary national treasure of Japan thought lost during World War II. The wakizashi is to young to have a voice, to Souji names it Sakura. This is the story of Souji and Hotarumaru's journey through a new world as he seeks to achieve ... a sword harem?

Shindou Eruko, a glasses, big breasted beauty, found a job as a handyman for the Amaguri Handyman service after her NEET life comes to an end as her savings ran out. She immediately falls for her co-worker Hoshi-kun on their first day working together, but there's a problem: Hoshi-kun is a high school boy, while Eruko is a 27 years old onee-san who has trouble telling reality and delusional. She ends up constantly scheming to get close to Hoshi-kun to turn many of her delusions into reality...

This manga takes place after Vol.14 in Henjo - Hen na Joshi Kousei Amaguri Senko

Everyday is a normal day in the small town where Kasuga Arata lives. However, everything changed on the day of the Black Sun, and following it, a magician appears before him. The Black Sun caused the Breakdown Phenomenon which destroyed the town where he lives. Because of this, his normal life was artificially reconstructed by a Grimoire that his childhood friend had left. Just what is the purpose of the magician coming to the town? What will he do with the Grimoire's keepsake?

A sweet and comfy Teacher/Student romance.

Hanami Matsudai is awkward when it comes to love and she doesn't know the proper distance for human relationships. You might as well call her a misanthrope. Her peaceful life is disturbed when she meets the unpredictable Ran Ojiya who just won't leave her alone!

The slapstick love comedy of an aloof and love-hating loner girl and a love-crazed handsome stalker begins!

The assassin with a scary mug has arrived in the town where the (air-headed) policewoman with a strong sense of justice lives! Although his target is a businessman, his constant flirting with the policewoman is causing him great trouble! The assassin constantly tries to stop the businessman who is in love with the policewoman…and if you look closely, there's a possible love triangle!?
Will the day the assassin can complete his job come!? Keep an eye on this fantastic love comedy.

KUZUNO Sekai was transported to a medieval fantasy game-like world (isekai). He was given a game controller with the ability to stop time and a 3 days countdown timer. Now he has to figure out the mechanics of this game world and clear it in time.

Hiiragi Ibara, who has now entered her second year of middle school has started her rebellious phase, becoming a problem child who troubles her brother... or so it appears. In truth, all she wants is her brother's attention.

An average romcom told from the perspective of the losing childhood friend. Other things happen as well.

"How did you know? I hid it well so that no one would find out."

Adrian Caesar von de Paltzgraf, the successor to the Paltzgraf Family. He is hailed as an angel in this world, but only I knew that the serial murders and murder attempts happening in the area which everyone was talking about were all committed by a young, good-looking gentleman.

[Adrian's murderous intent has increased.]
[Convince Adrian to lower his murderous intent. If not, you die.]
[Adrian's murderous intent is at 92%.]

I am the only one who knows. I was the only one who transmigrated into the world of this ridiculous horror game.

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Note:
- Only Ridibooks has all the volumes, due to Volume 1 of the side stories being R19.
- "No Exit Horror" is the English name on the ebook and physical Korean novel cover.