If you're looking for manga similar to Diabolik Lovers: Anthology Cardinal, you might like these titles.
The heroine wakes up on the morning of August 1 and discovers she has absolutely no memories of the past. A boy appears before her, and he introduces himself as a “spirit” named Orion. The heroine struggles to regain her memories under the guidance of Orion. She then gets a phone call, but she does not recognize the name on her mobile phone screen. She meets her apparent “boyfriend,” despite not knowing his face.
Comic anthology featuring the characters from the otome game Starry Sky: In Summer.
Tsukiko has joined the academy's archery club. As she practices for the summer competition, she also solves the problems between her teammates (Homare Kanakubo, Ryunosuke Miyaji, and Azusa Kinose) simultaneously
Yunoha, a 20-year-old who hates the countryside and likes cute things. She went to Tokyo junior college by oppressing his parents, but for some reason she returned to his home inn “Fukujuro”. And now to serve as an extraordinary general to rebuild the Fukujuro where the ancient birds cry. Can Yuno become a full-fledged landlady while being pounded by the handsome guys around her?
College student Tsukiko Yahisa is studying astonomy when a solitary e-mail brings memories of the good old days at Seigatsu Academy back into focus. Her mind wanders back to the scattered friends she made that spring, summer, fall and winter, and she finds herself longing for Yoh, Tsubasa, Ryunosuke and the others once again...
Along with her parents' transfer overseas, Tamaki began to live with her grandmother in Kifuu Village. As soon as she got to the village, she was attacked by mysterious monsters, and was saved by a boy she had never met before. She was told "Protecting the one who has the blood of the Tamayori family is the role of a Guardian."
Collection of shorts stories featuring characters from the otome game Starry☆Sky ~in Winter~