Killing My Sensei Softly

Also known as: Sensei no Yasashii Koroshi Kata, 先生のやさしい殺し方, The Teacher's Gently Way of Killing, Sensei no Yasashii Koroshikata, Teach me how to kill you

by Sharou Hanten

After school, Sensei tutors me in secret. My classmates think we have some sort of relationship, but they've got it all wrong. Sensei is a serial killer, and I am his apprentice. "Sensei, please teach me how to murder." A dark love unfolds between a serial killer Sensei and his devoted apprentice! (Source: Manga UP!)