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We casually looked around the shops while walking to the direction where Hana is.

Along the way, there was also an event where we tried to wear fashionable glasses and a necklace at a fashion shop and got mistaken as a couple by the clerk, which I denied, causing Yui to glare at me for some reason. But, all in all, we had a good time.

And while we're walking, Yui told me about her family.

"I see, so, Yui has a little sister too."

"Yes, we're two sisters."

When I was told that, I immediately was convinced, as, although she is also quite weird, Yui certainly has the impression of being a caring sister.

"What kind of girl is your sister?"

"She is a quiet girl. Her body was also weak for a long time, and she often got sick at the start of the season, making her unable to go to school. That might be a reason for her quietness too… but, she is a very kind girl, you know? And she is very cute too!"

"I see, for Yui, she is your proud little sister, huh."

"Yes!"

With a beaming face, Yui nodded. I am sure she really cares about her sister, which is something that I can understand very well. Just seeing Yui proudly talking about her sister seemed to fill my heart.

When I was having that kind of thought, Yui shouted "Ah."

"I actually have a picture of my sister. Would you like to see it?"

"Is it okay?"

"Of course!"

On the smartphone screen that Yui showed to me, there was a girl sitting side by side with Yui. She was a pretty girl with a calm demeanor and semi-long cut hair that reached to the top of her shoulders as her characteristic.

"She is in her third year of middle school, and her name is Sae. She is cute, right?"

"Aa. As expected of Yui's little sister"

"…. Nheee?!"

"N?"

What happened? Yui suddenly uttered a strange noise and jumped on the spot, her face becoming bright red.

And when I kept looking at her without knowing why she reacted like that, Yui pouted her cheeks.

"R-Rin-senpai! I think it is unfair if you say something like that all of a sudden! I am sure you must have said something similar to Rei-chan and the others, right?!"

"What's wrong all of a sudden? I can't follow the flow of the conversation,"

"Please remember what you just said!"

"Okay"

Following Yui's desperate attempt, I recalled the flow of the conversation. After being shown a picture of Yui's little sister, Sae-chan, Yui asked for my agreement about the fact that Sae-can is a cute girl and I replied. If I remember it well, I think I replied with ‘As expected of Yui's little sister'–.

"–!"

Then, I finally realized the reason Yui's face reddened. From the way I said that, it's almost like I was saying that Yui is cute.

"Well, that's not what I mean… Or not"

"…."

For a moment, I tried to deny it but, I think that's not correct. Because, it's true that I think Yui is cute. I mean, those words are something that came out of my mouth because I truly thought so.

If Rei is an unattainable flower type who was brimming with beauty, then Yui would be the type that treats everyone kindly and makes all the boys in the class misunderstand and despair in the end…. What the heck is this type.

Wait, that's not important now. Anyway, because of that, a strange atmosphere flowed between me and Yui. And when I began to feel awkward, they came.

"…. I detect a sign of romantic comedy."

"When we just take our eyes off for a bit… Hmmph"

""!""

Rei and Hana, who had arrived before I knew it, were looking at us with their cheeks pouted, causing me and Yui to hurriedly try to make an excuse. But in the midst of that, I thanked the two who broke the awkward atmosphere in my heart.

After gathering, this time for sure we went to look around the shopping mall together. And when the time had already passed 11 o'clock, we decided to have lunch a little earlier and went to the food court inside the shopping mall.

Having secured a seat, Hana and Yui went to buy food first, leaving me and Rei alone. Then,

"Rin"

"N?"

Rei, who sits next to me, suddenly closes the distance then quietly says.

"I have something I want to talk about with Rin."