Suga and jin goes to KH UNIVERSITY based on their investigation.

They were searching the whole campus for getting  a clue from the surroundings.

Suga noticed the chemistry lab, he and jin opened the door to see
Woo-seok, he is holding SULPHURIC ACID.

Jin and suga noticed it, woo-seok understood, what they are starring at, he chuckled bitterly

"Iam a chemistry professor that's why iam holding it."
Wooseok stated
"Did we said anything? Why are you defending yourself when we didn't even asked you?"
Jin questioned him
"I thought you would accuse me-"
Woo-seok stopped in between.
"Nothing i just felt like that."
Woo-seok stated this,to cover the previous statement.
"Fine."
Suga said that and then glazed at the lab before going from there.
Jin also followed him.

"Don't you suspect that guy?"
Jin asked suga
"Ofcourse i do, let's tell jk and jimin about this."
Suga said that, jin nodded

Taehyung and Hara, with Insu, went for a family time at a garden.
Hara changed alot after Insu came to their life.
Taehyung is the happiest person to see her changes.
He always spare time to be with her.
His eyes always hold the same old affection,which he will carry till his grave.

Their family of three is something everyone dreamt of.
They enjoyed their family time.

"So do my wifey and son want icecream?"
Taehyung asked dramatically
"Yess!!"
Both of them said that, earning a chuckle from taehyung.

Even Insu got changed alot, even he haven't fully opened up, he started to feel safe around them, he finds happiness to call them as his parents.
Maybe he will open up soon!

Taehyung goes to buy icecreams, hara noticed a cotton candy seller
"Insu, do you want cottan candy?"
Hara asked, Insu nodded.

"Ok wait here, i will go and buy it for you"
Hara said that Insu nodded, so she left from there.

Insu was looking around the garden, suddenly he noticed a board
𝘄𝗮𝘆 𝘁𝗼 𝗰𝗲𝗺𝗲𝘁𝗲𝗿𝘆->

Insu got up from the ground, he headed towards the cemetery which is located few miles away from the garden.

Taehyung and Hara came back to their previous place, in almost the same time,
But they couldn't find Insu there.
Hara became tensed, so did taehyung.
Her eyes got teary, while taehyung is worried and running here and there to find their son!

They asked people whether they saw a boy around 7yrs.
Lot of people said 'no'.
Fortunately one women, said that she saw him going towards the cemetery.

Taehyung and hara goes to cemetery to see Insu with a tall man.
That man is holding his(insu) shoulder.
And he is slightly bended towards front, to reach Insu's level.

Taehyung goes to them, and grabbed Insu by his wrist.
Then he looked at that unknown person, hara also came to scene

"May i know who you are?"
Taehyung asked to that person sternly.
"Oh, i saw your son coming here all by himself. I just followed him to check whether he is ok or not."
That person stated.
"Is this true Insu?"
Taehyung asked Insu, insu nodded in agreement
"See, i said right."
That person stated
"We are sorry to misunderstand you, thank you for keeping an eye on our son."
Hara stated, that person smiled and nodded.

But taehyung is not satisfied with that person's replay. Which is clearly visible in taehyung's face.

"Ok then, seems like everything is fine now, iam get going"
That person stated.
Taehyung just nodded
"May we know your name Sir?"
Hara asked
"It's woo-seok."
That person said that before bidding farewell to them.

(If ykyk)

"Why did you left from there like that Insu?"
Taehyung asked Insu
Hara looked at him concernly.
Insu dropped his head sadly and pointed his finger at a grave and raised his head.
"That is my sister."
Insu commented.

Hara and taehyung got shock to see him pointing at a grave and claiming that it is his sister, who is inside the grave.

Tears are visible in Insu's eyes to remember his sister.

Taehyung grabbed insu's wrist and goes near to that grave followed by Hara.

"𝗛𝘄𝗮𝗻𝗴 𝗯𝗼𝗿𝗮"
Hara read the name

(Hope you got who it is :) that girl who is said to be dead by suicide, the one that principal is afraid to confess! )

Wooseok came back to his house to see jimin, infront of his house.
Jimin gave him a smirk
"Hi, i have been waiting for you, mr.wooseok. myself jimin"
*jimin took his card*
"... Iam a crime branch officer"

To be continued