Mahou Tsukai no Deshi ga Warau Toki.
When a Magician's Pupil Smiles·魔法使いの弟子が笑う時。
Shou Takahata finds herself in a dire situation after accidentally entering the world of magicians. To avoid death, she makes a deal with a magician to befriend his apprentice and grow close to him. However, there is a major complication: the apprentice only experiences emotions when he kills those he considers dear.
