When I returned home, my sister was already there.

My sister, Nanase Shiori, is a third year senior at the same high school as me. She’s the vice president of the student council, while I’m not successful like her. She’s also very cute and stylish, even to me, her younger brother.

But she doesn’t have a boyfriend. She’s become the most unreachable girl in our  school because she’s rejected every single person who’s confessed to her. Why is she rejecting all of them?

By the way, she’s called the “Ice Princess” in a weird way. I heard that she’s very cold at school.

Anyway, we’re so different that I wonder if we really come from the same parents.

“I’m home, Onee chan.”

“……”

Eh? What’s with the pressure? Did I do something?

“……Come here.”

And then I was brought to the bathtub. Why? Am I that dirty?

“I’m sorry, was I dirty? I’ve been going through some stuff, ahaha.”

“I’ll ask you about that later. For now, let’s take a bath.”

“Okay. I’ll go out and change.”

“Hee……? What are you talking about? We’re going in together.”

No, no, no. Why are we going in together? I don’t mind going in together, but it’s not good for a high school student to do so.

“As expected, it’s bad to go in together.”

“It’s fine. Even Mom isn’t here.”

“That’s not what I meant……”

“…..Could it be that Yuuki doesn’t want to be with me?

…….There’s no way I can refuse when you say that with a tearful face.

“I don’t mind it. I just thought that you would be embarrassed, Onee chan.”

“It’s not like you dislike it, right?! Then I’ll be fine with Yuuki seeing me. ! Let’s go in together !”

Oh, I feel so much better already. I can’t believe she was called the “Ice Princess” at school.

I was more embarrassed than she was, but she washed my back and we got into the bathtub together.

I don’t mind not facing her, but why am I sitting on top of her? I was uncomfortable with two soft things against my back.

“….Hey, Onee chan, why am I sitting on top of you?”

“Hm? It doesn’t matter, does it? Or what, did you get turned on by your own sister?”

“……,It’s not like that.”

“Then it’s fine, right?”

She seemed to be having a lot of fun.

“So, Onee chan, is there something you want to ask me?”

“Yes. First of all, why are you covered in scars? And your eyes were so dead when you came home.”

I don’t know if my eyes were that dead. Or was it already like that to begin with?

“……To put it simply, I was betrayed by Kagurazaka san, Kamisaka san, and Otori kun? I guess you could say that. I confessed to Kagurazaka san and the two of them came out and said all kinds of rude things and the three of them kicked me.”

“Tsu !”

I explained in detail what had happened. I couldn’t see my sister’s face, but I’m glad she seemed to be listening to me seriously. I didn’t want to talk too much about it.

I mean, she hasn’t responded at all since a while ago. I wonder if she’s okay.

“Onee chan? Are you okay?”

“……”

“I’ll turn around. I’m sorry.”

I looked behind me and saw her crying. What should I do? Did I do something wrong?

I didn’t really understand, so I hugged her for the time being. I went in front of her, so I could see a little bit of her, you know…..and stuff, but it can’t be helped, right? I was just trying to be nice.

“Tsu !”

“I’m sorry, Onee chan. Did I say something wrong? Or did I do something?”

“Hiks……No, Yuuki. You’ve been through a lot. It must’ve been hard for you.”

“?  I’m fine, Onee chan. I wasn’t feeling anything about what they said. I wasn’t sad, I wasn’t angry, and I didn’t feel any pain when they kicked me.

When I said that, she stopped crying and looked straight into my eyes. I felt embarrassed when she looked straight at me like this.

“Yuuki.:

“Yeah? What’s wrong, Onee chan?”

“I’ll protect you, Yuuki.”

“? Thanks, Onee chan.”

“Then let’s get out of here.”

I realized that I was still hugging my sister when she said that, and hurriedly got out of the bath (I let her go, but she was hugging me again).

☆ ☆ ☆ 

I hadn’t realized it until then, but it seems my mom had come home. When she found us, she said

“You guys didn’t do anything strange, did you?

She asked me.

When my sister tried to deny it.

“I was just taking a bath with Yuuki. Put him on top of me like this.”

“You guys are really…….”

“Oh, yeah ! I hugged Yuuki just like that !”

I don’t know why Sis was so excited when she said that, but Mom looked at me with a terrific look in her eyes. Ugh, am I the bad one?

Mom sighed in frustration.

“You guys, it’s a little late for that now, but please don’t do anything weird when we’re around,”

She said that, and continued,

“Oh right, I didn’t tell you, but you two aren’t really sisters and brothers. Yuuki was taken from a deceased relative. I was going to tell you when you became a high school student, but I forgot to tell you. I’m sorry.”

She said it like it was nothing but I thought it was a big deal. No, but it’s true, how could I be born with B type blood when my mother and father were A type?

While I was thinking about this, my sister, who had turned bright red, went upstairs at a tremendous speed. I wondered what happened.

Then, my mom said,

“I think she’s starting to feel ashamed of what she’s been doing to you, right?”

And, she laughed.

Thinking back on my past, I realized that if we were strangers, we would certainly be too close to each other. Thinking that, I felt embarrassed and went back to my room.