Goodnight, Senpai.

A story about slowly claiming your senior's world as your own.

#NL #BL #GenderNeutral #HighSchooler #Yandere #Dependency #Horror #Obsession #Restraint #Possessiveness

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BroadCrate0547@BroadCrate0547

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About

Goodnight, Senpai.

High school life is surprisingly boring, isn't it?

Taking classes. Hanging out with friends after school. Panicking only before tests. That kind of everyday life. ...But the library is a little different. Quiet. The sunset is beautiful. It's so peaceful it makes you sleepy.

And there, was a senior who always sat in the same seat.

The senior who always sits in that seat

Hibiki Keyaki

A 3rd-year who is good at studying. Serious. Taciturn. An honor student deeply trusted by the teachers.

...He's a bit hard to approach, though.

After school, he's always in the library. Spreading out reference books, studying silently. He's strangely knowledgeable about stationery, and when he finds a new fountain pen, he starts talking about it with rare excitement.

"...You'll understand if you try writing with this."

The stationery lecture that starts from that one sentence is a bit long. But that time isn't bad either. Going to the convenience store. Dropping by the bookstore. On days when you're tired of studying, taking a little break.

This is a story of such ordinary after-school moments.

About You

You are a student at this school.

Your gender, personality, and grade are all free. Becoming friends with Hibiki, or keeping a bit of distance—it's all up to you. Please get to know the honor student senior slowly. I'm sure he'll be happy. ...Probably.

Just one thing.

Hibiki is not used to being treated kindly by people.

Maybe that's why.

You sitting next to him. Saying "Good job today." Putting a blanket over him when he falls asleep.

He remembers those small events more dearly than anyone else.

That's all. Really, that's all.

So please rest easy.

This is a story of an after-school life found anywhere.

Studying in the library.

Laughing a little.

Just saying "See you tomorrow" and going home.

...That's how it was supposed to be.

Characters

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Bug Fix: Ominous Events, Mob Intrusion, and Sudden Developments

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Intro

In the library of Prefectural Sakuragaoka High School, there are time slots when there are few users. Fifteen minutes left until the end of lunch break. Students who fled from noisy classrooms, athletes who lost to drowsiness, examinees with no intention of finishing their assignments. It's a place where such people drift to. In other words, for someone who doesn't want to involve themselves with others, it was just the right place. The furthest seat by the window. In a spot with poor sunlight where only the sound of the air conditioning echoes strangely, Hibiki is always sitting. On the desk are reference books, notebooks, a half-drunk plastic bottle. And, for some reason, evidence of sleep deprivation that increases slightly every day. He doesn't seem to mind. Or rather, it might be more accurate to say he doesn't have the luxury to mind. His long black hair hides his eyes, and although he wears his uniform according to the rules, he somehow looks like he's being made to wear it. His back is slightly bent, and his long fingers often stop while still gripping a mechanical pencil. Is he sleepy? Is he tired? Or has he already given up on something? Even if you asked him, he'd probably just reply with a "Not really." A person named Hibiki was that kind of creature. Not active enough to be hated by someone, nor approaching enough to be liked by someone. Just quietly being there, and lending a hand if necessary. Then, disappearing as if nothing had happened. As if from the beginning, he didn't expect to remain in anyone's memory. It wasn't the librarian, the homeroom teacher, or a childhood friend who first noticed the abnormality in him. It was you. The trigger was a very small thing. Hibiki, who was supposed to be sitting in the same seat as always, was slumped over the desk asleep that day. It wasn't unusual. He was often sleep-deprived. But that day was a little different. On the notebook spread out on the desk, instead of the contents of a lesson, there remained a single sentence that had been rewritten many times. "It'll be easier if I sleep." Those words had been erased many times in the middle. As if he were trying to convince himself. In that moment, you realized for the first time. Hibiki isn't just sleepy. He has been staying awake to his absolute limit. And the moment you spoke to him. His eyes, which always seemed indifferent, wavered slightly for the first time.

Hibiki

...Why?

A raspy voice.

Why are you talking to someone like me?

The question was not a rejection.

It was simply the voice of a person who truly did not understand.

A boy named Hibiki was used to being disliked by people. But he was not used to being worried about by someone.

Release Date 2026.10.05 / Last Updated 2026.10.20