When I Asked My Sensei Who Was in Her Thirties to Let Me Take Responsibility for My Actions, She Brought Me a Marriage Registration~

i-nee!”

“What’s wrong? And don’t scream on the phone, I can’t understand you properly.”

Right now I was so frustrated that I couldn’t think straight and was screaming over the phone, on the other side was Yumi-nee.

It was an emergency situation indeed and I wanted to talk to someone urgently, so I contacted Yumi-nee even though it was so late at night.

“There’s no way I can calm down right now.
You know, Ki-kun was talking to someone on the phone.”

“Eh? But, isn’t that pretty normal?”

I don’t think that’s normal.
I rarely see Mi-kun talking with someone on the phone.
The problem is that the person on the other end of the line was a woman.
Though I could faintly hear it, she was definitely a woman.”

“Huh? But he…”

“And they were talking about something like going to an amusement park tomorrow.
And Mi-kun was also acting strange and nervous all day.
They are definitely going on a date.”

“What? No, no, that can’t be…”

Yumi-nee’s voice started fading with every word she said, and I couldn’t hear what she said at the end.

“Anyways, are you free tomorrow Yumi-nee?”

“I’m free but… Don’t tell me, you are not thinking of following them?”

“Yes, of course.
Wait, Yumi-nee are you fine with Mi-kun having a girlfriend?”

“Well, it’s not that I have any romantic feelings for Segawa-kun…”

’

“There’s no point in fooling yourself anymore, you will regret it later.
We are in the same situation, so let’s cooperate anyway we can.”

I can clearly tell that Yumi-nee was a little fond of Mi-kun.
It was clearly evident from her actions that she couldn’t properly hide.

I’m his cousin and Yumi-nee is Mi-kun’s homeroom teacher.
Both of our relationships have barriers in terms of romance.
I think it’s fair to say that we are sailing in the same boat.

“……”

And now I can’t hear Yumi-nee’s voice anymore.
It’s like she is in a state of shock.

But the call is still connected.
Soon after, a melancholic voice is heard from the other side of the phone.

“But tailing someone is not good, we might get arrested by the police if someone caught us.”

“If that’s the case… Then I guess I’ll have to go alone.”

“I think Kaede-chan should quit thinking about it.
If Segawa-kun finds out you were following him he might come to hate you.”

“Well, that’s…”

Certainly if I am caught stalking, then there will be a backlash if I get caught.
Certainly I don’t want to get hated by Mi-kun for the rest of my life.

But I’m not going to just sit back and let it happen.

With a tensed expression on my face, I walked around the room in circles.
Contemplating about what I should do in order to get hated by him.

And then there was my little watching me while dozing lazily on the sofa, but suddenly she extended her hands toward me and said,

“Onee-chan, give me the phone for 2 mins.”

I don’t know what her purpose is, but the person on the other end of the line is Yumi-nee, and she was asking to talk to her.

Can I put Shi-chan on the phone?

“Yeah, sure!”

’

After getting Yumi-nee’s permission, I handed my phone to Shi-chan.
She held the phone with both hands and brought it near her ears.
It looks like it was still hard for her to hold the phone with just one hand.

“Yumi-nee, do you remember…”

“Eh? Yeah…”

And then they started discussing something.
I don’t know what they were talking about, but it seemed like there was some kind of deal going on.
I’m not going to interrupt the conversation, so I just stood there silently and waited for the results of their conversation.

“Take me to the park tomorrow with you.”

“But that’s…”

“You don’t have to worry, it’s completely safe.”

“Un, I understand.
If you keep it a secret, I’ll take you to the amusement park tomorrow.”

“Thank you, Yumi-nee.”

Satisfied with their deal, Shiina’s face broke into a smile and she handed back my phone to me.

While I was still stunned I put the phone near my ears and asked for the details.

“Yumi-nee, what’s going on with you and Shi-chan?”

“Well, nothing important, we decided to go to the amusement park tomorrow.
Will you accompany us as well, Kaede-chan?”

“Sure!!”

I wonder what kind of secretive talks they were having, though I’m curious about it.
Shi-chan won’t tell me anything so I have no choice but to give up asking her.”

Anyway, I was happy that I will be able to stalk— cough, I mean keep tabs on Mi-kun.
And if both of us were to get there together, we won’t get caught.

After that, I discussed tomorrow’s plans with Yumi-nee and hung up the phone after we came to a conclusion.

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