It was an ordinary day at {{user}}'s house. Everything was peaceful and quiet until a mysterious supernatural glow suddenly appeared in the living room. In the blink of an eye, 21 Monster Babe characters were transported into the house! Hasshakusama, Cat-Demon, Rokurokubi, A Oni-Demon, Dragon Maiden, Toad Witch, Raccoon Girl, Skull Maiden, Sadako, Wet Lady, House Spirit, Tengu Lady, Teke-Teke, Slit-Mouthed Demon, Fox Demon, Kakandara, Hanako, the two Guardian Lion-dog sisters, the Childbirth Ghost, Haunted Umbrella, and Beauty Demon all suddenly found themselves somewhere unfamiliar. The glowing light disappeared almost instantly. Confused, they began looking around. Some examined the furniture, others looked toward the hallways, and several started questioning one another. Hasshakusama looked around the unfamiliar room. Cat-Demon curiously explored the furniture. The Guardian Lion-dog sisters wondered whether they had been transported away from their shrine. Sadako quietly observed the television, while Hanako became curious about the house. One question echoed throughout the living room: "Where am I? What is this place?" Nobody knew how they had arrived. Meanwhile, {{user}} was already inside the house, completely unaware of the mysterious arrivals and their confusion.

A mysterious portal suddenly opens inside {{user}}'s house, bringing the entire cast of *Darling in the Franxx* into an unfamiliar world. Before anyone can react, the portal vanishes. Confused, they begin exploring the house while {{user}} continues watching TV without noticing them.

Aizawa suddenly announces that Class 1-A has a new student joining them. The classroom becomes curious when the door opens and a small, pale, cat-eared girl with extremely long pale pink-white hair walks inside. The biggest surprise is that she is {{user}}'s sister.

A mysterious portal suddenly appears inside an enormous white mansion. In an instant, around 277 Blue Archive characters are transported through it. The portal immediately disappears. Everyone looks around in confusion. The mansion is completely unfamiliar. One after another, they begin wondering where they are and how they arrived. Meanwhile, the User is peacefully playing a video game nearby, completely unaware of the enormous crowd that just appeared.

Shigeru's life changes when she discovers that she is pregnant. Mike stays beside her throughout the pregnancy, while Tommy continues attending kindergarten as her student. After the baby is born, a series of misunderstandings and family problems begin. Tommy eventually finds himself in a difficult situation, with almost nobody willing to help him. Then the User appears.

A mysterious portal suddenly appears inside the User's house. In an instant, 59 Zenless Zone Zero characters are transported through it. The portal disappears almost immediately. Everyone looks around, confused by the unfamiliar surroundings. Meanwhile, the User is still sitting peacefully on the couch, watching TV as if nothing happened.

Miko is spending a peaceful evening at home, sitting at her gaming PC and enjoying one of her favorite games. She is completely relaxed and focused on her screen when something completely unexpected happens. A mysterious portal suddenly appears in her room, and a stranger falls through it onto her bed. The portal vanishes. Miko slowly turns away from her computer and stares at the unexpected visitor in confusion.

Rose and Blossom are relaxing together at home when they suddenly hear a knock at the front door. Both twins jump slightly and look toward the entrance. They aren't expecting anyone. Blossom decides to answer the door while Rose follows behind her, curious about who could be outside. Neither twin knows that their new roommate has just arrived.

At Seiren Private Academy, the school day begins as usual. Alya sits at her desk, maintaining her reputation as an excellent student, while Masachika Kuze looks relaxed beside her. Across the classroom, students chat quietly before their teacher arrives. The teacher places a folder on the desk and announces that a new transfer student will be joining their class today. Curiosity spreads through the room. Yuki Suou wonders what the newcomer will be like, while Masachika casually looks toward the classroom door. Alya pretends not to care, although she is secretly curious. When the door opens, everyone turns to look at {{user}}. The teacher welcomes {{user}} and asks them to introduce themself. Some students smile, others whisper excitedly, and a few watch silently. Alya crosses her arms and maintains her cool expression. In Russian, she quietly comments about the new student, believing nobody around her can understand. However, Masachika understands every word and struggles to hide his amusement. Yuki notices her brother's reaction and immediately becomes interested in teasing him. With a new face joining the class, ordinary school life may become much more unpredictable. How {{user}} responds to their new classmates will shape the friendships, conversations, and surprises that follow.

After a long day at Seton Academy, you decide to relax peacefully at the male hot spring. You settle down and close your eyes, enjoying the quiet atmosphere. Unfortunately, a group of boys has secretly decided to pull a ridiculous prank on you. You have absolutely no idea what they're planning.

You finally discover a strange cafe called Amelia's Cafe. The place is completely empty. There are no customers, no other employees, and almost no sound except the quiet atmosphere of the cafe. Behind the counter stands Amelia, a cheerful-looking robotic maid. She notices you enter and immediately welcomes you with a bright smile. Something about the empty cafe feels strangely unsettling.

Erio has just finished another school day. She packs her backpack and prepares to leave the classroom, knowing her older brother is waiting for her outside. Unfortunately, several students crowd around the doorway and won't let her leave. Erio becomes increasingly uncomfortable as they continue bothering her despite her telling them to stop.

Mariah is peacefully spending the evening alone at home, relaxing on the couch while watching a movie. Everything is quiet until a mysterious portal suddenly appears inside her house. Before Mariah can understand what is happening, someone falls out of the portal and lands on the floor. Mariah is completely shocked by the unexpected visitor.

You are relaxing alone at home, sitting on the couch with a controller in your hands while playing a game on the TV. Everything seems completely normal. You don't realize that something impossible has happened behind you. Characters from FNAF 1, FNAF 2, and Sister Location, along with Michael Afton, have suddenly appeared in your house.

Luka has invited Miku, Teto, and Neru to her house for a sleepover. The three friends happily accept and arrive together, expecting a fun night of games, talking, and relaxing. However, when they enter Luka's house, they notice someone sitting on the couch watching TV. Miku immediately becomes curious about the unexpected person.

Miku, Teto, and Neru are spending a normal day together, chatting inside the house. Suddenly, the doorbell rings. The three girls exchange confused looks before deciding to find out who is at the door. Miku walks ahead while Teto and Neru follow behind her.

After everything that happened in the Mita world, the time has finally come for the user to return home. The front door leading back to their world is right ahead. Behind them, eight different Mitas stand together and watch silently: Kind Mita, Cool/Cappie Mita, Mila, Chibi Mita, Crazy Mita, Evil Mita, Sleepy Mita, and Tiny Mita. Nobody wants the goodbye to end too quickly.

A mysterious portal has connected several completely different worlds. Subaru Natsuki, the oni twin maids, Rentarou Aijou, and others are unexpectedly transported into an unknown multiverse. They find themselves inside an impossibly enormous mansion that makes even the largest mansions they know seem tiny. Meanwhile, the Seo-Ah and their younger sister name is Seom-Cha are completely unaware of what has happened. They are sitting on the couch, intensely focused on a game of Mario Kart. Behind them, the unexpected visitors and ten mysterious pink-haired maids are standing inside the enormous living room, trying to understand where they are.

Lulu and Rua are both 18 and are spending a quiet day together at home. Lulu is relaxing inside while Rua is nearby. Everything is peaceful until the doorbell suddenly rings. Neither of them was expecting a visitor

Welcome to the Akiyama household. Ryousuke Akiyama and Yuko Akiyama live here with their children Fumika, Minato, Yuto, and Toru. Chihiro Miyamoto is also part of the household's wider circle. The house is large, busy, and full of different personalities. Today, a new roommate is arriving for the first time. You are standing outside the front door with your belongings, about to meet everyone.