"Ankoku Joshi" which features Shimizu and Iitoyo Marie as the co-leads, is the real-life adaptation of the 2013 same-titled mystery novel by Akiyoshi Rikako. It talks about how Shiraishi Itsumi (Iitoyo) the Madonna of an all-girls' senior high school fell to her death under mysterious circumstances with a lily bell flower in her hand which leads to suspicion falling on the five members of the literature club which Shiraishi set up for having caused her death. After taking over the reins, Sumikawa Sayuri (Shimizu) who is Shiraishi's best friend, organises a regular reading session where she engages the rest of the members to talk about Shiraishi's death and the five of them take turns to expose who is the true culprit by mixing lies and truth during the discussion. Co-stars include Seino Nana, Tamashiro Tina, Kojima Riria, Taira Yuna and Chiba Yuudai.
Sources: Nikkansports / Sanspo