When their lovely childhood friend returned, they were all in a panic!

"Hahahaha..."

Mu Anqi smiled awkwardly and put the violin case down.

"Sitting isn't very comfortable, let me change my posture..."

Seeing the math teacher staring into his eyes, he was still full of doubt.

Mu Anqi immediately started to argue her point.

"Really, really, teacher, please continue the lesson."

After saying that, Mu Anqi obediently sat back down in her seat, her toes practically digging out of their sockets in embarrassment.

Being in the first row is torture...

"Alright, let's move on to this question. Even though school's almost over, don't let your attention wander. Anyone who's daydreaming will have to stay after school!"

The math teacher tapped the blackboard and began speaking seriously.

"Anqi, where are you going?"

Lin Siyu, the new deskmate next to him, quietly came over to talk to him.

"Oh dear, I want to go find Bai Yu."

Mu Anqi also whispered cautiously to Lin Siyu.

She would glance up every now and then at the math teacher who was giving a passionate lecture, afraid of being discovered.

"Looking for Bai Yu?"

Lin Siyu found it a bit strange and turned to look at Bai Yu's seat.

Sure enough, only one bag lay there quietly.

Class monitor Su Ningyu remained focused on her studies at her desk, just as always.

Where did he go?

"Oh dear, he went to play the guitar. I told him I'd bring my ukulele and play with him."

Mu Anqi was extremely anxious and couldn't contain her emotions.

This meant she didn't even realize that her math teacher was paying attention to her.

"My dear girl, let me tell you, Bai Yu is also secretly a guitarist."

Mu Anqi chattered away to Lin Siyu, completely unaware that Lin Siyu's expression was off.

Lin Siyu quietly poked Mu Anqi's thigh with her hand, while making faces at her.

But Mu Anqi was clearly caught up in her conversation, and was still whispering to Lin Siyu.

"Huh? Honey, why did you poke me?"

Mu Anqi asked in confusion, suddenly realizing that the classroom was eerily quiet.

Wait a minute, why did the math teacher stop lecturing?

Her delicate body trembled, and she silently turned her head away.

The math teacher put the textbook aside and glared angrily at Mu Anqi.

The sound of other classmates snickering nearby made Mu Anqi feel utterly ashamed.

"Mu Anqi! Stay after school!"

Upon hearing this, Mu Anqi felt utterly devastated.

This is even worse because it will take longer for me to find Bai Yu!

"It's fine......"

Lin Siyu whispered words of comfort to Mu Anqi.

"Lin Siyu, you too, as the vice class monitor, you're still whispering with your deskmate."

The math teacher immediately turned his attention to Lin Siyu.

Lin Siyu could only sigh when she realized she had fallen victim to the virus herself.

She didn't care whether she stayed in the family or not, and her family didn't keep a very strict eye on her.

......

After strolling for a while, Bai Yu finally arrived at the art building.

As if an old horse knew the way, Bai Yu didn't even look up as she walked into the old classroom while looking at the lyrics on her phone.

The old classroom remained empty, with only the guitar and the borrowed sheet music lying there quietly.

However, the cookies I made last time have disappeared.

Clearly, it was taken by his complete stranger, a "friend."

Bai Yu walked to the windowsill and, as was her old habit, opened half of the window.

That half-window lets in a little breeze, which feels very comfortable.

It wasn't just the wind that was letting in, but also the sound of that "friend's" piano.

Bai Yu sat on the windowsill, picked up her guitar, and began to flip through sheet music.

He randomly flipped to a sheet music sheet, which was the classic "Old Boy".

This song is one of the few pieces that Bai Yu can play and sing.

Just hold down the chord and then strum.

Bai Yu also really likes the lyrics of this song.

The crisp sound of a guitar rang out, and Bai Yu began to play while looking at the sheet music.

I played for a while, but the familiar piano music disappeared.

That "friend" doesn't know how?

Bai Yu didn't believe it, because he could tell from her ears that her piano skills were superb.

Once your skills reach a certain level, you can transcribe the sheet music just by listening.

Then there might only be one left.

My friend didn't come today.

A slight sense of disappointment rose from the bottom of her heart, but Bai Yu just smiled.

Anyway, I broke my promise yesterday.

With no one else around, Bai Yu can finally relax and sing.

Youth is like a rushing river—once it flows away, it never returns, and there's no time to say goodbye.

"All that's left is a numb me; the passion I once had is gone."

......

Bai Yu felt he was really into singing "Old Boy," and he became increasingly moved by it.

Even the voice that came out when she sang was full of emotion.

"Looking up at this sky full of stars, I think of the one that kept me company back then~"

Do you still remember the stories here? If there is a tomorrow, I wish you well, my dear~

After finishing the song, Bai Yu was completely in the zone.

With his eyes slightly closed, he finished the last stroke of the string and paused in mid-air.

Sigh, before I knew it, I'd become an old boy.

Bai Yu was filled with emotion when she suddenly heard a different sound.

He looked up and saw a girl leaning against the front door of the old classroom.

The girl was wearing a uniform and looked very refined.

Her long, straight black hair reached just to her waist, and she was calmly leaning against the doorframe, looking at herself.

Beneath her indifferent expression, one could faintly discern a hint of appreciation.

This startled Bai Yu; so much time had passed and no one else had noticed.

Has the treasure trove of an old classroom been discovered?

Embarrassed that others had heard him singing, Bai Yu put down his guitar.

Then he silently jumped off the windowsill, preparing to close the window and leave immediately.

It's so awkward to have a stranger watching.

Although the girl was very pretty, she had a hard time making friends with others.

"Are you leaving?"

The mysterious girl with long, straight black hair spoke, her voice clear and pleasant.

She lacked Luo Qingyan's aloof charm, but as for what exactly...

Bai Yu couldn't describe it.

"Excuse me, I'm sorry to bother you."

Bai Yu gave an awkward laugh and sheepishly closed the window.

"Why don't you play a few more songs? You sing really well."

The mysterious girl with long, straight black hair was quite outgoing; she casually pulled out a chair and sat down.

"No, no..."

"You just played my guitar and then left?"

The girl's lips curled slightly, and her voice was clear and crisp.

"Huh? This guitar is yours?"

Bai Yu was even more embarrassed.

His love for playing guitar began when he discovered the treasure trove that was the old classroom.

Back then, this guitar was lying all alone in the corner of the classroom, covered in dust.

No one took it or claimed it, so Bai Yu simply "borrowed" it to play.

"uh-huh."

The girl smiled and nodded, then continued speaking.

Is it easy to use?

If there were other students in the old classroom, they might be able to recognize who the girl was.

Because the academy was quite far away, Bai Yu had never seen her face, only knew her name.

That was Lu Yuxin, who was as famous as Luo Qingyan.