After two full hours of research and discussion, everyone finally came to a reasonable and basically certain answer.
Bianka was a vessel cloned from Kiana's own genes on a one-to-one basis, with some of Shu's genes added in the middle of the process.
And Shu's 50% data was not actually a similarity in kinship genes. Compared to a child born and developed normally, Bianka had skipped many steps.
For example, she was a fully formed infant at birth, not a combination of separate sperm and egg.
She had directly skipped the differentiation process, and almost all of her genetic information was a one-to-one copy of Kiana's.
And Shu's genes had acted independently on other gene regions. This was the true relationship between Shu and Bianka.
"So, is Shu considered Bianka's father or not?" Kiana, who was theoretically Bianka's "mother," asked curiously after the discussion came to an end.
After a dead silence, Fréllei coughed lightly and gave her own opinion with a rather strange expression.
"If you, Kiana, believe that you are Bianka's mother, then Shu is undoubtedly Bianka's biological father..."
"Hiss..." Kiana gasped, then began to ponder seriously.
A moment later, under everyone's gaze, Kiana let out a long sigh, then showed a resolute expression. She turned and walked towards the door, waving at Bianka.
Bianka also nodded with a determined expression. The two of them walked with a "the wind blows and the river is cold" kind of momentum.
Everyone watched the two of them leave, then looked at each other in confusion, finally focusing their gazes on Mei.
After all, among everyone present, Mei was the one who knew Kiana best, even better than Kiana herself. Now, only Mei could explain Kiana's actions.
Mei smiled helplessly at everyone, then opened her mouth to explain for Kiana.
"Kiana... she probably went to confess to Shu..."
"Confess?" Sin Mal raised an eyebrow. "Is she going to tell Shu that he's a happy father? Is it a tradition in Shenzhou to hold a wedding banquet? Can I get a seat?"
"You can sit at the kids' table!" Sirin retorted on Shu's behalf, but seeing that Sin Mal had indeed worked hard while looking up information just now, she only retorted that much.
"Miss Sin, this news is probably not a good thing for Mr. Shu..." Fréllei said, a little embarrassed. "And wedding banquets... they are usually held when a child is born or reaches their full month in a Shenzhou family. It's actually very similar to a Western banquet."
Fréllei specially emphasized the concept of a "banquet." She guessed that Sin Mal probably hated this kind of thing the most.
"Tch..." as Fréllei had expected, Sin Mal rolled her eyes when she heard the word "banquet." "A banquet... then forget it... alright, actually, it's not impossible to attend Shu's banquet."
"But there's nothing worth celebrating... I mean, holding a banquet for." Fréllei sighed lightly. "Although people in Shenzhou generally have high expectations for this kind of banquet, correspondingly, their requirements for this kind of thing are also very high.
"Even to the point that their obsession with this 'banquet' has become a fixed program." As she spoke, Fréllei raised a finger in everyone's sight. "For example, marriage, childbirth, a child's full month, or the passing of a relative..."
"People in Shenzhou are so troublesome..." Sin Mal's mouth twitched. She had also been a noble before and had attended all kinds of banquets. Of course, she knew that the etiquette in Shenzhou was actually so exaggerated that many Western European nobles didn't dare to look at it directly.
As someone from the Mal family who specialized in etiquette, how could she not know? Did she need this person to explain it to her?
Sin Mal snorted in her heart. The next moment, a strange arc appeared on her lips.
"But I remember, there's another kind of banquet in Shenzhou—called a 'kinship recognition banquet,' right?"
"That would require Shu to really recognize Lady Bianka as his child," Fréllei said, also showing a smile along with Sin Mal's mischievous smile. Sin Mal was stunned, a feeling of falling into a trap welling up in her heart.
"And I..." Fréllei was silent for a moment before she said the last sentence. "I don't think Mr. Shu will really think of this relationship as a secular father-child relationship."
As soon as Fréllei finished speaking, Sirin, Bronya, and Mei all nodded in agreement. Seele opened her mouth as if she wanted to say something, but in the end, she changed her mind under Sin Mal's puzzled gaze.
"Seele also thinks Fréllei is right... Shu... it will be very difficult for her to admit this relationship."
"Are you guys hiding something from me?" Sin Mal squinted her eyes and scanned the room, then waved her hand and turned her head away in a carefree manner. "Forget it, who knows what you're hiding in your hearts. Anyway, I'm not curious at all."
"But..." Sin Mal's final gaze was in the direction that Kiana and Bianka had left. "I'm more curious now about how Kiana will confess this to Shu."
There was a moment of silence. It was not until Fréllei's helpless sigh sounded that everyone realized what it meant to let Kiana and Bianka go and confess alone.
"I thought you all had a tacit understanding..." Fréllei said, tidying up the scattered materials with a sigh.
"Bronya has a question. This matter... should we inform the Class Monitor?"
---||---
In Shu's room, two figures quietly leaped in through the window. After an exaggerated buffer, Kiana put the slippers she was holding back on her feet, making no sound at all.
Bianka followed suit, landing on the floor without a sound, then put her shoes back on.
"Huh, that's not right!" The two of them carefully looked at Shu, who was still lying on the bed without moving. The moment they confirmed that they had not disturbed him, Kiana suddenly froze and subconsciously blurted out.
"Aren't we here to confess? Why..." Kiana looked at Bianka, who was still slightly bent over in hiding. She knew she probably looked the same way right now.
Bianka was also silent for a moment.
That's right, why are we acting like thieves? Aren't we here to recognize our kin... no, to confess?
The two looked at each other, then their gazes fell on Shu, who was lying face down on the bed, dead to the world.
About two seconds later.
"Hey, I have a pen in my pocket!" Kiana said, patting her pocket with a pleasant surprise.