Rise Online: Return of the Legendary Player - Chapter 873: First Circle, Limbo (Part 1)

The 7-year-old little crybaby met 11-year-old big brother who ran away from home.
[This man became the protector of redemption in his life]

The 16-year-old little dragon fell in love with a 20-year-old big brother.
[It’s a pity that the big brother didn’t recognize him as the little crybaby]

The 23-year-old single father and 27-year-old chief executive meets again.
[This time the little crybaby and his big brother are finally together]

Fortunately we met through hundreds of millions of people, Thank God, for letting us break through many obstacles and get back together again, falling in love with you and being with you again is the greatest fortune in my life.

- Description from Novelupdates

I’m in a secret, bad romance with a love dependent student—「Having a secret meeting with a student one is in charge of at school… Isn’t it exciting?」The special relationship with Kirihara that no one can know about began when I took up my post at Mori Kawara High School as a teacher.At school, she’s the serious student council president who has earned a lot of trust from other teachers, but when it’s just the two of us, she becomes mischievous, clingy, and jealous.On weekends, I cook meals at her place, play games together, and pamper her as if we were lovers.Unable to reject her because she knows my weakness, and despite knowing it’s wrong, we continue to pile up secrets little by little every day…「Sensei, my feelings of liking you have grown very strong.」As Kirihara openly confronts me with her feelings, the emotions I’ve been holding back grow even stronger.Even though it would all be over if it were exposed, that sense of immorality ironically only accelerates things further—

When The Cute Kunoichis Spied on Their Teacher's Secret is a light novel written by Kazuma Kamachi and illustrated by Ryuushi Tajima.

The story takes place in a world where Japan never ended their isolationist phase, and agents from foreign powers are always threatening to steal the country's advanced technology. In order to combat this threat there has been a resurgence of ninjas that use Strategic Martial Arts, techniques that combine cutting-edge modern technology with a traditional foundation of martial arts and ninjutsu. The story follows Souha Sugiyado, a 17-year old ninja instructor and former ninja prodigy who was forced to retire from active duty by the wounds he suffered in his last mission. Souha's four students are all kunoichi who have all gained the rank of Elite Ninja, the highest official rank available to ninja. However, one day two Shogunate ninja approach him with the news that his four students have gone rogue and have stolen a portable modular nuclear reactor, and thus they ask for his help in bringing his students to justice.

Shen Sui’an penetrated into a book of dog-blooded beauty and became the white moonlight of early death that four scumbags could not seek.
He tore up the script, took his lover into the Imperial Marshal’s Palace, drank tea every day, basked in the sun, rua rua seriously injured the unconscious plant lion, and by the way teased the soldier orphans adopted by the Gu family – a group of plush cubs , the days were pretty cool.
As a result, one day, the plant lion suddenly woke up, returned to human form, and blocked him in the corner.
The man’s face is handsome, his physique is strong, and he has been in the top position for a long time, giving people a strong sense of oppression.
At this moment, his brows and eyes were downcast, revealing a pitiful meaning for no reason, “When I was in a coma, I said that I liked me the most. I finally woke up. Why do you only play with those little cubs?”
Shen Sui’an: “…”
***
Overhearing the big lion that turned into a human shape discussing a proposal for marriage, Shen Sui’an was struck by thunder and ran away all night in fright.
A few days later, there was a knock on the door, and the big lion squatted obediently, with a wooden sign hanging around his neck: Homeless, seeking adoption.
Seeing that Shen Suian was unmoved, it lay down silently, its tail hooked on Shen Suian’s hand and pressed against its soft belly.
The wooden sign was turned over, revealing the following line: touch my stomach, be responsible for me.
Shen Sui’an: Hello, the Imperial Police Station? There are lions touching porcelain here!

Playful plush control is attacked by x stuffy big lion

Content tags: Interstellar sweet text cool text cute pet
Search keywords: Protagonist: Shen Sui’an ┃ Supporting role: Gu Beimo ┃ Others:
One sentence introduction: Eating melons and watching dramas, rua lions, cool!
Purpose: to break through the predicament and move towards a better life

- Description from novelbuddy