What is Sensei wa Onii-chan. about?

Sensei wa Onii-chan. is a manga.

Is Sensei wa Onii-chan. still ongoing?

Sensei wa Onii-chan. is currently finished.

FINISHEDMANGA

先生はお兄ちゃん。

Story & Art

What is Sensei wa Onii-chan. about?: Sensei wa Onii-chan. is a manga.
Is Sensei wa Onii-chan. still ongoing?: Sensei wa Onii-chan. is currently finished.