Living in Tokyo, all I want to do is laze around.

"Xiaoqiao hasn't arrived yet. Why don't you order a coffee and sit down for a bit?"

“Sure.” Totsuka Katsura had no objections.

"What kind of coffee would you like?" Uesugi Kai opened the booklet and handed it to him.

Totsuka Katsura glanced at the list and realized he had never heard of Blue Mountain, Mandheling, Mocha, or Triumph. After reading one article, he only recognized the cappuccino and latte flavors.

Seeing his confusion, Uesugi Kai asked him:

"What flavor do you prefer? Bitter, astringent, or milk-based? Or espresso?"

What is concentration?

"Espresso is coffee with a thick layer of crema on top. It has a strong flavor, a rich coffee aroma, and a viscous texture."

"what?"

"To put it simply, espresso diluted with water is just regular coffee. If you add a little milk, it becomes a latte, and if you add some milk foam, it becomes a cappuccino."

"...So it's coffee with a very bitter taste?" Totsuka Katsura had only heard of some coffee names, but had never experienced the taste of it. Even if he had drunk it before, he had almost forgotten it.

“It varies from person to person. Some people find it very fragrant, while most people find it very bitter.” Uesugi Kai realized that he knew absolutely nothing about coffee and thought she should change her approach and ask him, “Do you prefer bitter or sweet?”

"sweet."

Do you like the milk flavor?

"like."

"Would you like some chocolate?"

"want."

"Okay, I'll make you a mocha."

It took Uesugi Kai a minute to find out what flavors he liked, and he immediately got to work.

Instead of taking a seat, Totsuka Katsura stood at the bar and watched Uesugi Kai's efficient work techniques.

He remembered that Professor Okuno liked his coffee and used to often invite him over for private lessons.

Katsura Totsuka doesn't understand coffee making, but she can see that Kai Uesugi is very serious about his work.

Elegant, fluid, and eye-catching?

This guy is very charismatic. After watching him for a while, he even felt his gaze become part of his movements, and he was hoping that his eyes would follow his technique to appreciate his next move.

Without realizing it, I was immersed in his world.

If a young girl saw this, what would happen?

Now Totsuka Katsura understood why he was able to marry such a beautiful young woman.

Being handsome is also one of the reasons.

At least, they look like a good match.

"Take it."

"That's it?"

"A mocha doesn't take long to make."

"Why didn't I see any impressive skills from you? I thought you could just work it out on one machine."

"That's a coffee machine, I just didn't use the traditional drip brewing method."

"They all taste the same?"

"almost."

Ding-a-ling~

The wind chimes by the door rang melodiously.

Hanabi Hanamaru walked in, wearing a dark blue scarf around her neck. She had a big smile on her face, which had a playful and cute quality to it.

As soon as she came in, she jumped in front of Kai Uesugi's bar.

Of course, Totsuka Katsura knew her; he had even attended her wedding not long ago.

"sister in law."

"Sister-in-law? You're mistaken, this is my brother-in-law."

Hanabi Hanabi, perhaps jokingly, smiled and pointed at Kai Uesugi behind the bar.

"?"

Hanabi Hanabi knew him and knew he was Kai Uesugi's classmate: "My name is Hanabi Hanabi, and I'm Kai Uesugi's sister-in-law."

There is no word for "younger sister" in Japanese. People usually express their identity directly, such as the younger sister of the wife or the younger sister of the husband.

It refers to the brother-in-law, or simply the sister's husband.

Kai Uesugi has finally discovered it.

Aside from sometimes turning into a yandere, Kurohana can also suddenly become quirky and mischievous when she's happy.

Kai Uesugi wasn't quite sure if this was a manifestation of Hanabi's inner self.

Totsuka Katsura was completely bewildered. In his memory, wasn't this the same look as Uesugi Kai's wife who was studying at Tokyo University of the Arts?

Why did you suddenly call Uesugi brother-in-law?

Although their personalities seem completely different.

"My sister and I are twins, no doubt about it."

younger sister?

Then Totsuka Katsura remembered that Uesugi Kai seemed to have mentioned that his wife had a younger sister.

"What's making you so happy?" Uesugi Kai asked.

"I was so happy to see my brother-in-law that I came right away as soon as get out of class was over!" Hanabi Hanamaru cupped her face in her hands, rested her elbows on the bar, and looked at Kai Uesugi with eyes full of affection.

If you look closely, you can even discover a hint of cunning in her depths.

She said it cheerfully, but to Uesugi Kai, it was pure torture.

Because she's making fun of herself in front of her classmates!

Sure enough, upon hearing these words, and seeing her expression of overflowing girlish infatuation, she immediately understood.

Totsuka Katsura immediately misunderstood.

Kai Uesugi's wife's twin sister actually has a huge crush on Uesugi!?

Hanabi Hanabi took in Totsuka Katsura's expression, then continued speaking to Uesugi Kai without revealing her thoughts:

"Kai-kun...can I call you brother-in-law Kai-kun? I'd like to address you like my sister does."

###Chapter 435 Meeting, Store Manager's Thoughts###

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"Let's skip this one."

Kai Uesugi glanced at Hanabi Hanabi's adorable smiling face and tried to make his answer sound more serious.

"Why? Is it because 'Kai-kun' doesn't sound good? I think 'Kai-kun' sounds really nice, Kai~kun~"

Kai Uesugi noticed that Katsura Totsuka's gaze towards him had become strange.

But he couldn't muster any resistance when his wife teased him.

"Alright, it's decided then! From now on, I'll call you brother-in-law like an older sister does. Kai-kun, it really feels so warm and familiar when I call you that."

After saying that, the quirky Hanabi Hanabi practically skipped away as she went to the staff room to change into her maid outfit.

The next moment, Totsuka Katsura fixed her gaze on Uesugi Kai.

Standing behind the bar, Uesugi Kai lowered his head slightly, closed his eyes, and coughed twice, his right fist pressed against his mouth.

"Ahem, that's just her being mischievous. That's just her personality; she likes to tease people."

"I see..."

Uesugi Kai's expression and tone were very natural, and Totsuka Keichi's remaining doubts did not linger for long.

"Is she really your wife's twin sister?"

"Ah."

This answer is not a lie.

In a sense, Kurohanabi is indeed Hanabi's younger sister.

Totsuka took a cup of mocha to the shop and sat down. Then, when other customers arrived, Uesugi Kai began his work.

After a busy ten minutes, Rikako Kohashi arrived.

"Good afternoon, Uesugi-kun."

"Yes, good afternoon."

Totsuka Katsura noticed her almost immediately, stood up from her seat, and looked her over.

Rikako Kohashi also noticed him, but without much emotion, she simply said to him:

"I'll go to the staff room to put my things down first. Let's sit down and chat."

Totsuka Katsura nodded: "Okay, okay."

After she left.

Totsuka Katsura quietly asked Uesugi Kai, "What do you think of Rika-chan?"

"She's quite cute. Her clothes are simple and basic, but they can't hide her natural beauty."

"Yeah, right? Actually, when I found out that I suddenly had a little sister, I felt an undeniable flutter in my heart."

What kind of psychology is this?

"Uesugi, you have a childhood friend, which is like having a younger sister since you were little. It's normal that you can't understand the thoughts of an only child like me. Growing up alone can be a lonely journey. I've fantasized a lot about having a cute younger sister since I was little."