He was at Hogwarts, and had just become a Half-Blood Prince.

[Parent-generation; multiple female protagonists; no system]

…

In 1976, 16-year-old Severus Snape welcomed a new life.

That year, Voldemort had not yet split his soul into seven pieces.

That year, Nagini was still hiding in the forests of Albania.

That year, Pandora was still doing wonderful experiments at Hogwarts.

That year, Ms. Rosmerta was in her prime and very graceful.

That year, Snape decided to experience this wonderful world.

Travel through the world of Harry Potter and obtain the [Positive Energy Explosion Attribute System].

As long as you do positive things, the relevant people may drop attributes.

"I picked up 1000 Occlumency experience points, and my Occlumency skill level reached max. I got the achievement: Spell Mastery!"

"I picked up 500 points of Potions experience, and my Potions skill level was upgraded to level 5. I got the achievement: Potions Master!"

"I picked up 1000 points of physical experience, and my physical fitness increased to level 7. I got the achievement: Tear a dragon apart with my bare hands!"

...

Snape: "Are you an expert in potions? You should be the one to take the potions class from now on!"

Dumbledore: "You can master all spells at once, and you are so positive! You are the hope of the wizarding world!"

Voldemort: "We are all wizards. What do you mean by tearing the earth apart with your bare hands? Also, how come you are more proficient in dark magic than I am?"

Looking at the various black magic spells at the maximum level on his panel, Lynch was speechless.

Do positive things, why is the attribute explosion rate of black magic so high?

He looked at the admiring eyes of the people in the magic world:

"Although I'm very proficient in the dark arts, that doesn't prevent me from being the most positive wizard in the world. No one should object, right?"

【Taste buds bloom potion】 [A potion made of moonflower petals, Billy Wigg insect sting stinger juice and fire ash snake eggshells as the main ingredients, which can stimulate the existing flavor to the extreme, and excessive intake will cause convulsions and convulsions all over the body for up to an hour] Luke De Vere is quite satisfied with this pot of potion, and today's eight-eyed giant spider dragon's rest risotto must sell quickly. …… This is the legendary story of being able to see the introduction of everything and eventually becoming a potion master. But the problem now is that Professor Sprout wonders why I can grow herbs 100% alive, Professor Snape wonders why I can make a near-perfect potion, and Professor Trelawney doesn't understand why all my predictions come true...... Every professor wants to communicate with me after class, but I just want to go to the Room to make myself a Thunderbird Storm special. This book is again...

[Slytherin][Hermione is the only female protagonist][More rigorous: After living in another world for ten years, the protagonist barely remembers a little about Harry Potter][Not a system]

The false devil:

Gather the Saints to fight against the Muggles.

Occupy Britain and attack the school.

The real devil:

Destroy the world and cause great suffering to all living beings.

Elias traveled through time for eleven years and suddenly found out that he had traveled to the world of Harry Potter and was chosen by the bloodline of the devil!

You only need to gather three of the seven deadly sins: pride, wrath, laziness, greed, envy, gluttony, and ecstasy, and the power of the devil in your blood will automatically summon the devil to possess you and destroy the world!

For the peace of the world,

From that day on, Elias knew that his idle life would be gone forever...

I thought I was a Kryptonian, but I didn't expect that I was actually a magician!

Kerry, wearing a Superman costume, received an envelope with an "H" badge. From that day on, Hogwarts would never be peaceful again.

Because the noble Kryptonian bloodline comes with 90% magic immunity and 99% physical immunity...

Dear Mr. Kerry, please allow me to crown you king!

Traveling through the orphanage, with a golden finger for collection, I wanted to be a low-key treasure fiend and achieve the achievement of a winner in life. As a result, I unexpectedly received a letter from an owl, telling you that this is the world of Harry Potter.

[Single female lead][Growth flow][No system][Daily orientation]

As soon as Soul, who was inexplicably transported across time, opened his eyes, he saw a green beam of light coming towards him. He thought he was dead, but he found himself alive again. Not only that, Hermione was his neighbor and childhood sweetheart. In this way, the story began.

Years later, Harry, the Auror, would sit at the Three Broomsticks bar, still recalling that distant afternoon when Phoenix led them to arrest the reactionary Fudge. "The Ministry of Magic under Fudge's leadership is no longer effectively able to deal with Voldemort's terrorist attacks. Therefore, I hereby announce the dismissal of Fudge, Umbridge, and their reactionary group within the Ministry of Magic, and a thorough investigation into their past crimes, with zero tolerance." "I have finished speaking. Who agrees? Who disagrees?" Phoenix stared sternly at the dark mass of people before him. Their faces were resolute. They replied with only one sentence: "Heil, Grindelwald."

Gilderoy Lockhart has just become Minister for Magic of the United Kingdom, and there are several uninvited guests in the office.

Dumbledore: “Minister, I have to tell you with great sadness that Moriarty Slytherin is the most hidden person in the European wizarding world!”

Lovegood, editor-in-chief of The Quibbler: “Look Minister, the Hogwarts Riots, the Himalayan Avalanche, the Gringotts Heist, the World Cup Opening, the Nurmengard Bombing, the Azkaban Defection , the Durmstrang riot, these mysteries all point to one person, Moriarty Slytherin!”

Platinum noble Lucius: “On behalf of the pure blood family, I strongly request the minister to launch a wanted request for Moriarty Slytherin! Oh, my minister, don’t look at me with greedy eyes, all pure blood money is taken by Mori Artie’s gone.”

Gilderoy Lockhart showed his signature smile: “Please allow me to introduce to you my young master, the greatest wizard of all time, the master of dawn and darkness, the master of ice and thunder, the legendary god of magic, Moriarty Slytherin!”

This is the story of a little wizard who only has magic in his heart and becomes the big boss behind the scenes in the Harry Potter world.

Sherlock Forrest, who had just crossed into the world of Harry Potter, did not have a golden finger and did not inherit the memory of the original owner, looked at the Hogwarts letter of appointment in his hand, and pouted.

“Just a Defence Against the Dark Arts professor.”

…

A few years later, the Daily Prophet conducted an interview with Harry Potter, one of the ten outstanding talents in the wizarding world of the 21st century.

“When was the happiest day of your life?”

There was an uncontrollable smile on Harry’s face.

“It’s the day after Professor Forrest cursed me that I would be taken away by You-Know-Who tomorrow.”

“Uh…what about the day you least want to go through?”

Harry suddenly turned gloomy.

“Every Christmas.”

“Why is this?”

He covered his face in pain, and even couldn’t help sobbing.

“Woooooo…because on that day, Professor Forrest will wish me a Merry Christmas!”

……

The book is also known as “Please Shut Up, Professor Forrest! “, “On the matter of defeating the Dark Lord, it only takes a certain professor to open his mouth”, “I’m living a life of stealth at Hogwarts, just to live a healthy and happy life”

——————

ps: no system

ps2: The main line begins in the secret room chapter

ps3: This is a serious and serious professor essay (probably)