Amber Coal

Karma, reaping what you sow, reaping what you sow... Is this the face that rust takes when it follows you?

Ryogo Sunamori, a middle-aged office worker, still can't forget the bitter memories of his student days when he worked part-time as a private tutor.
In his days of being tormented by remorse and regret as he recalls those memories, he unexpectedly reunites with his former student, Reiji Yakushi, the source of those bitter memories.

Yakushi is exactly the person Sunamori never wanted to see again, and although his appearance and demeanour have changed drastically, Sunamori's body begins to stiffen as if paralysed when Yakushi calls him "teacher."
Meanwhile, Yakushi smiles and slowly approaches Sunamori, saying, "Will you go out with me?"
[via chill chill]