Linde travels through the world of anime. Curafia is his adopted sister, Rias is his childhood sweetheart, and even after awakening his system, he can recruit his own demonic followers. From then on... the demonic contracts begin to spread across the universe. ... Curafia: Linde, I'm no longer content with just being a adopted sister. Rias: Linde is my only fiancé. Miyano Shiho: Master, can you replenish my demonic power? Esdeath: Master, please make me stronger. Nakiri Erina: My divine tongue is the best. ... Unknowingly, Linde has transformed the universe into his own pasture.

[Classroom of the Real Girl doujinshi, single heroine Ichinose Mu system]

A boy with a hidden past and a closed heart encounters a kind-hearted girl, like an angel. In this school filled with intrigue and fierce competition, the boy, touched by the girl's pure kindness, gradually rediscovers his emotions and becomes her knight, protecting her and fulfilling her wishes. He will shield her from all malice. (This is Little Slime's first novel; updates are slow. If you find any inconsistencies in the content, please contact the author for discussion. I will try my best to revise it.)

In Class 1-A of Tokyo Advanced Nurturing High School, there was a student who became the talk of the school from the very first day. He was effortlessly cool, even doing his cleaning duties, eating lunch, and standing as punishment in the hallway. Every move he made exuded—Cool! Cooler! Coolest! This student, who embodied coolness and elegance to the extreme, was named—Sakamoto. He casually pushed up his glasses: "I am Sakamoto. What brings you here?"

[Slice of life + multiple female leads + romance + Class A start]

Office worker Toru Kaedehara is transported to the world of Jūkyū University and becomes a student in Class A.

Kaedehara Tetsu, who activated the daily routine system, originally wanted to live a leisurely life.

However, he's a bit of a womanizer...

then……

[Anime Crossover] Puella Magi Madoka Magica — Puella Magi Madoka Magica — Magical Girl Raising Project — Date A Live — A Certain Scientific Railgun

My name is Kyosuke Kamijou, and I live in Genjimi Taki. I am a Stand user. My peaceful life has been gradually disrupted since I awakened my memories from before I was transported to another world.

Having acquired a system called 'Eye of Heaven,' my timid classmate, a fellow sufferer, suddenly develops a split personality one day. Upperclassmen keep finding various excuses to invite me to their homes for tea. My best friend, with whom I play games, frequently invites me to the arcade, and even my two childhood best friends start acting strangely.

Mami Tomoe: "Kyosuke, would you like to come to my house for some black tea after school?"

Hitomi Shizuki: "Kamijou-kun, could you help me with my homework?"

Kaname Madoka: "Kyosuke-kun, we made a promise..."

Kyoko Sakura: "Hey, Jojo. Let's go to the arcade today! I heard they've released some new games."

Homura Akemi: "Please, Tamura-chan!"

'Homura Akemi' "..."

What? You're asking where the childhood sweetheart is?

My childhood sweetheart is buying CDs.

——

This is the official description!

7, 11, 13

I admire the first person who wished to become a magical girl, because maybe that was a lie?

You are the ones who escorted me to heaven, Cupid!

One last time, the path to heaven is about to be accelerated...

The savior of magical girls? I'm just a stand-in user passing by.

Traveling through the world of Harry Potter, Wayne awakened the Chaos Lord system. As long as he created chaos and violated school rules, he would be rewarded.

Thus, Hogwarts ushered in the most lively period.

Dumbledore: "A student life that does not violate school rules is incomplete, but Wayne... please restrain yourself."

McGonagall: "I thought the Weasley twins were invincible, but I didn't expect Wayne to be braver than them!"

Professor Sprout: "Since he came, the badger has become a flat-headed brother."

Snape: "Azkaban! He should be assigned to Azkaban!"

Voldemort: "Don't bother with the Son of Prophecy, I just want to kill Wayne Lawrence! Now, immediately, right away!"

Wayne spread his hands helplessly: "I'm just a little more lively, why do you keep urging me to graduate?"

Eriri: Just a mere Chiba, you want to be a light novel master? Sagiri: Nissan, I'll work hard to become an illustrator worthy of you. Kani Nayuta: I love you so much, senpai! Senjumura Masaru: You're number one in my heart. Kasumigaoka Utaha: Sensei, I'll surpass you! Gokou Ruri: I'm your ultimate apprentice. That day, his journey as a light novelist truly began.

Humans and monsters should not be together, because in the end, it will only increase loneliness.

"I am human, and our encounter that day was the beginning of our relationship."

A certain Yukinoshita Yukino looked at Natsume.

"Junior, bunny girls are not monsters."

Sakurajima Mai smiled brightly.

"Natsume, quantum mechanics tells me that the feeling of loneliness will disappear as long as two people are together."

Futaba Rio was very serious.

"Brother Takashi, do you still remember our encounter at the beach that year?"

A certain blonde girl smiled.

[Time Travel + Class D + Intelligence System] Akira Shimizu accidentally travels to the world of "The Classroom of the Elite" and becomes an ordinary student in Class D. [Ding! Daily Intelligence Updated] 1: Masumi Kamuro from Class A will attempt to steal beer from a convenience store today. 2: Karuizawa Megumi is looking for a "fake boyfriend" to protect her. 3: To satisfy your sexual needs, knock on Hoshinomiya Chie's door three times at exactly 2:00 AM. 4: Tonight at 10:00 PM, Kushida Kikyo will visit your dorm, ostensibly to "ask a question," but in reality... "Is this information...authentic?" Leveraging his foresight, Akira Shimizu navigates the various factions, delivering crucial clues to Horikita Suzune when she needs them most. Become the perfect candidate for Karuizawa Megumi's "fake romance," and enjoy a battle of wits with Arisu Sakayanagi. "Why is their intelligence becoming increasingly unsettling?"

Kitazawa, a three-no traveler, a mediocre Chunin, taught at the Konoha Ninja School in order to survive to the end. After twenty-one years, he suddenly got a very wrong system. [Congratulations to the host for turning six, the strongest Hokage training system is open. ] "I finally got lucky? Wait, look at my eyes, this is six years old?" [Task 1: Help your deskmate Hinata Hyuga to get back the scarf. ] [Task 2: Graffiti on the Hokage Rock with your classmate Naruto Uzumaki. ] [Task 3: Defeat Uchiha Sasuke and dominate the Ninja School. ] [Task 4: Become the new three ninjas with Naruto and Sasuke, and worship Tsunade as your teacher. ] "Answer me, is it appropriate for a 21-year-old teacher like me to do this kind of task? I won't do it even if I jump from here!" [Task reward: Konoha Uzumaki...