[Multi-Crossover: Spy x Family/Attack on Titan/Oregairu] Loid Forger asks his older cousin Levi Ackerman, a war veteran and his younger cousin, Hachiman Hikigaya, a high schooler, to take his little daughter, Anya Forger to the amusement park. What could possibly go wrong? Well, Hachiman was struck with an inspiration. Levi was not amused. And Anya was super excited.

After spending three weeks recovering in the hospital due to a car accident, Hikigaya Hachiman thought he had missed the opportunity to integrate into the class. But he was sent a special recommendation letter by the principal. It was suggested that he'll go to Tokyo, Advanced Nurturing High School, which only opened in May.

Loid Forger and Hachiman Hikigaya once made a bet. Who could bake the most delicious cookies for Valentine's Day? Yor Forger, Loid's wife or Yukino Yukinoshita, Hachiman's friend who is a girl?

Patient: Hikigaya Hachiman, Year 1, Class D, Tokyo Advanced Nurturing High School Symptoms: Adolescence Syndrome The patient claims that upon waking up, he found himself transported to a parallel world

Sixteen-year-old Hachiman Hikigaya has a new understanding of life. "Life is nothing but fame, money, power, and beauty, I want them all!" He is determined to become the winner of life, and to do so, he leaves behind Sobu High turning to the embrace of the prestigious private Hyakkaou Private Academy.

Due to a car accident, Hachiman Hikigaya missed the opportunity to integrate into his class. After seein the situation Hiratsuka-sensei advised him to attend the Tokyo Metropolitan Advanced Development High School, which started in May.

College student Hikigaya Hachiman had expected a boring life now that his highschool days were over. Getting entangled with an annoyingly fake idol? Not in his plans. Becoming the surrogate father of a duo of weird ass twins? Even less so, but no one had ever said genuine equals normal, now did they? Accepting that fact, however, was far easier said than done.

Hikigaya never thought he'd return to school life, not after the incident three years ago. Yet here he is, enrolling in one of the nation's most prestigious government-funded institutions the Advanced Nurturing High School thanks to his sister's hopeful encouragement. Hoping for a quiet life, he soon finds himself once again dragged into the kind of troubles he was trying to avoid.

When Saitou-san was about to be arrested under the suspicion of having sexual relations with a minor, because Aqua and Ruby had blonde hair and she didn't, Ai called her ex. Her ex didn't want to be listed as the father. But he did provide her with a name - Hachiman Hikigaya. Thus a lie was born, where on paper a rotten loner was the father of the twins. Can love bloom from a lie?

A bunch of rental girlfriends are found brutally murdered in the streets of Ikebukuro. The killer's modus operandi fits the American Psycho. Hikigaya Hachiman, a deception detection expert, is hired to look into the matter. But he is not alone. Yor Forger, CJ and Chizuru Ichinose all want to catch this monster. But can they?

In a quiet high school where the ordinary meets the extraordinary, a loner finds himself thrust into a world of hidden battles and enigmatic figures. Balancing the mundane requests of his school's Request Club with the dangerous secrets of a shadowy mirror world, he must navigate a life where nothing is as it seems.

Opposites attract as long as they stand on common ground. Opposites must find stability or they'll tear each other apart. And when it comes to something as sensitive as lying, neither Hikigaya Hachiman or Hoshino Ai will back down. No matter much they can see each other across the mirror.

Hikigaya Hachiman finds himself in an unfamiliar world. With nothing but a summoning letter in his breast pocket, a backpack full of necessities, he’s about to find out just how messed up his new world is.

"I hate riajuu princes... and I hate even more those who can't see how they destroy what they swore to protect."

Hikigaya Hachiman finds himself transported into the Kingdom of Lugunica. Whether he'll find a way to get back is not the question - whether he'll want to go back, is.

No, Yukinoshita's black limousine did not isekai Hikigaya Hachiman; it instead gave him a broken leg. But something happened or he wouldn't be here. Seemingly overnight, Sobu High and everything else Hikigaya knows is gone, replaced by a fantasy world that chuunis would thrill to be in. Not Hikigaya, though. For him, it's just all so horribly wrong. Crossposted on SpaceBattles.

Hachiman Hikigaya was perfectly fine drifting through high school, avoiding unnecessary drama, and keeping his expectations low enough to dodge disappointment. But all of that goes out the window when he wakes up in a place called Chaldea—a secret organization filled with mages, cryptic technology, and the looming threat of an apocalypse. Crossposted on SpaceBattles.

I stopped a queen from killing her kid, and now I'm stuck between a future king with trust issues, his dangerously attractive mother, and a chancellor who probably dreams of stabbing me with a pen. I was just hauling bricks six years ago. Now people think I matter, on ancient chinese battlefields no less. I don't. But apparently, that's not stopping anyone.

Hachiman tuvo muchos traumas de adolescente patético, pero uno en particular lo persiguió hasta hoy... porque al parecer no solo esa chica de ojos estrellados vive en el mismo lugar, sino que además quiere que le enseñe a amar. ¿Y mencionó que tiene dos hijos casi tan extraños como ella y un misterioso padre ausente? Si, y su vieja comedia romántica tampoco está ayudando.

Hachiman vows to become a loner when he starts his first year at Sobu High… Yeah, he might need to break that vow sooner than he thought when he sees someone kneeling in the rain with no protection on them.

Hikigaya Hachiman chegou à sala de aula de elite. Por causa do pedido de sua irmã, ele deve fazer dez amigos antes da formatura. O único problema é que essa escola esta repleta de esquisitos, Komachi! Uma Tradução/Edição da fanfic Chinesa: 比企谷不想实力至上主义

Hikigaya Hachiman interacts with random characters. I let Google Gemini select random characters.

Hikigaya Hachiman is isekai'd into Fairy Tail, a world fueled by magic—except magic refuses to work on him. With his Anti-Magic nullifying spells and his cynicism clashing against Fairy Tail's optimism, he's roped into guild life against his will. As he navigates reckless mages, absurd battles, and unexpected bonds, he faces one question: Why?

Hachiman Hikigaya hadn't planned on attending Beacon Academy. A dust shop heist, a flashbang to the face, and an interrogation by a weird Headmaster changed everything. With a sharp blade, a sharper mind, and a Semblance that sees all, Hachiman's goal is simple—survive Beacon, keep his sister safe, and figure out how to make it through this without losing his sanity.

Hachiman got himself isekai'ed into Arknights, all because truck-kun hit him on his way to school. But hey, at least he met a goddess that gave him something to help his chance to survive in this new world.