During summer vacation, Tsuruya brings her friends to her summer home. Also there is her cousin, Chitanda Eru, and her friends. After some coordination, Koizumi announces that there will be a mystery game. How will the veterans of the Classics Club compare to sharp (and infallible) minds of the SOS Brigade?
Crossover - Haruhi Suzumiya series & Hyōka/氷菓 - Rated: K+ - English - Mystery/Friendship - Chapters: 1 - Words: 3,774 - Published: 2/21/2021 - Haruhi S., Kyon, Houtarou O., Eru C.