Last Supper

Ishioka, the mystery writer, was invited by Limi, the female university student, to go to the English Conversation School, they met a lonely old man, Otawara, and the three became close friends.The sweet-tempered but eccentric Otawara disappeared mysteriously after he entertained the Ishioka and Limi on Christmas Eve, followed by a series of confusing incidents, and Mitarashi, the famous detective abroad, helped, a sad story surfaced...