Good news, I've transmigrated! Bad news, I'm in a secret room! Transmigrated into Douluo Continent, becoming Qian Xunji, I happen to be in a secret room, before Bibi Dong does anything irreversible. Just as Qian Xunji relaxes, Bibi Dong's words plunge them into an irreversible situation. What a disastrous start! [Congratulations, host, for completing the character's landmark event. System connection successful…] [Host will break through level restrictions and infinitely increase soul power level!] [Host will increase soul power level by one level for each day of check-in. Every ten days of check-in, there is a chance to receive a critical hit, obtaining soul rings, soul bones, self-created soul skills, and other generous rewards!] Fortunately, I obtained the check-in system; Qian Xunji…

I transmigrated into the world of Detective Conan and became a "Dad Achievement System".

The story begins with finding a four-year-old homeless boy who stole bread. He immediately names him Kurosawa Jin: "I'll take care of you from now on!"

Later, they successively picked up Kurosawa (Toru Amuro) and Kurosawa (Reiko Akiba).

The system rewards are plentiful, and we are delighted to see our children succeed.

Many years later—

When the black-clad assassin, Kurosawa Jin (Gin), helps me mediate neighborhood disputes in a helicopter, the monthly payments are so large that I can't spend them all.

He gave a wry smile: "A supervillain... how can that not be considered a success?"

"Ah-Jin, please take good care of your younger siblings!"

Gin's gaze, hidden behind his sunglasses, swept over Rei Furuya, the undercover police officer, and Reiko Akiba, the national diva. After a long silence, he finally nodded stiffly under the expectant gaze of his father.

My adoptive mother actually stole the SS-rank archangel I summoned and gave it to my younger brother!

Xiao Changge transmigrates to another world and summons an SS-level archangel. His adoptive mother forces him to give the archangel to his younger brother!

It turns out I was just a tool used by the Xiao family!

Even the archangel betrayed him!

God-level Synthesis System activated!

A critically ill fox cub was discovered. A bug was exploited to heal it, and a nine-tailed celestial fox was synthesized!

When Xiao Changge reigned supreme and commanded the beast tide, people realized that he had already surpassed mythology!

"Xiao family, it's too late for you to regret this!"

Rong Wenyan travels back to the American colonies of 1770, founding a pharmaceutical company and becoming the mayor of a small town. Faced with the escalating independence movement, he neither wants to help the Continental Congress violently resist taxes, nor does he want to be an accomplice of the British. [History + Farming + Light Fantasy + Harem] Reader group: 326460817

In a first-year high school magic theory class, Mo Fan was kicked out of the classroom for questioning the teacher's teaching methods. Shen Yan happened to be late leaving because she was tidying up experimental equipment and bumped into Mo Fan squatting in the corner of the corridor eating bread. A bottle of warm milk that Shen Yan handed over became the starting point for their interaction (Mo Fan stubbornly said, "Who wants to drink this sweet stuff?", but secretly put the milk into his schoolbag).

Gao Fan, a data clerk at the Institute of Process Engineering, Chinese Academy of Sciences, known as the "human-shaped self-propelled database," travels back to 1982. He braves the waves of reform and opening up, leading China's chemical industry to glory. Only in turbulent times can true heroes emerge.

Xu Jia, a soon-to-be freshman, with the help of a system, rode a Ducati V4S to meet his future girlfriend. Just as he was marveling at how his "ugly" girlfriend was actually stunningly beautiful, an unexpected...

My name is Qin Sanshu, I'm 17 years old, and I live in the Sakura-sou area of ​​northeastern Chiba. I'm unmarried and once won the Merlin Award, the "Oscar" of the magic world, at the age of seventeen. I attend Sobu High School, but since graduation only requires a two-thirds attendance rate, I'm often absent and late, completely unlike a student. My main profession is detective work, and I often assist Inspector Megure of the Third Violent Crimes Investigation Division of the Tokyo Metropolitan Police Department in solving cases. Because of my identity as a high school detective, I'm very popular with girls at school, but I remain single. Because—women only slow down my deductions!

It's common knowledge that pink-haired beauties are generally gentle, kind, considerate, and virtuous—ideal girlfriends and wives. Watanabe Yuuki, transported to another world, is surrounded by such beauties: his childhood friend is pink-haired, his neighbor is pink-haired, his school seatmate is pink-haired, the girl in the next class who likes him is pink-haired, his teacher is pink-haired, the stalker girl who's been following him is pink-haired, the beautiful girl he meets is pink-haired, and even the alien is pink-haired. Pink-haired is fine; they're all cute, and he likes pink-haired girls, so finding a girlfriend and living a happy life shouldn't be difficult. But his childhood friend went to study in England, his neighbor is a socially awkward seamstress who stays home all day, and his seatmate is also socially awkward and plays in a band. For some reason, the stalker girl who's been following him is out of the question. He can't betray his ancestors, can he? The beautiful girl he meets seems to have some mental issues. The alien is another story—what about being raped? All the pink-haired girls around him seem a bit off. Why is finding a girlfriend so difficult? So, Watanabe Yuuki turned his attention to Goto Jiri, the most normal-looking among the group of pink-haired girls. Goto Jiri: Yuuki-onii-chan, I'm only seven years old this year.

Official Introduction: Now approaching you is: Muzan's nightmare, the destroyer of the Twelve Demon Moons, the head of the Infinity Castle demolition office, the most righteous person in the Demon Slayer Corps, Sabito's savior, the eternal absentee of Kanae Kocho's tea party, Giyu's good senior brother, the founder of Fist Breathing, and a grandmaster.

Willow branches provide shade, that's it!

Kanae Kocho: "I invited him to a tea party ninety-seven times, and he refused ninety-seven times. He's so gentle."

Shinobu Kocho: "Why should I be trained by iron fists? It's infuriating, sister!"

Akaza: "A powerful person, the best in physical combat."

Muzan Kibutsuji: "A monster who destroyed all my Demon Moons with his bare hands and blasted the Infinity Castle to pieces, you call him human?!"

Unofficial synopsis: Yagyu In transmigrates to the world of Demon Slayer, but the system believes he is in the world of One Piece and identifies him as a Marine.

You can earn Navy Points and rewards by doing things that are in line with the Navy's rules.

Yagyu In: No, buddy, is this right? Where did this pirate from the Demon Slayer world come from that I need to catch?!

Pirates are attacking! Strike immediately to capture or kill them!

Looking at the man-eating ghost before him, Liu Shengyin realized that the system had gone mad.

From then on, the Demon Slayer Corps had one more instructor who liked to smash people's heads with his iron fist of love.

This book is also known as "Left Fist's Overpowering Entanglement Deals High Damage, Right Fist's Overpowering Entanglement Deals High Damage," "Three Punches Shatter Evil Spirits, Sir, I'm Just an Ordinary Person," "Overpowering Aura is Also Qi, and Qi is Breathing Technique!" and "Muzan, Are You Hiding Well? The Marine Admiral is Coming to Get You~"

Note: This book is a crossover anime/manga series, and will later explore other worlds.