This is a story about friends, & their evolving relationships through school. Our main protagonist in this story follows Hideo Asano, a student & his friends. His younger brother Mitsuru, His Christian Childhood friend Ayaka, who loves him. His gaming classmates, Kou & Shoji, Ayaka's friends Kohaku & Haruko & many others as the series goes on.
After her mother abandoned her and her father remarried, high schooler Mao Motomiya is left feeling like she doesn't have a place where she belongs. One night, her childhood friend Hiro Nakamura finds her in a shrine eating cheap convenience store food and offers to take her to a restaurant. Their subsequent heart to heart leads to Hiro suggesting that Mao move in with him. To Hiro who has lived apart from his younger siblings all these years after their parents passed away, bringing his family back together in the once-lively Nakamura home begins with the first step of giving Mao a loving place to belong. When Mao reluctantly accepts his invitation, she is surprised at how easy it is to settle in with her longtime friend. Now she must deal not only with mending her relationship with her father and helping the oldest Nakamura brother attain his goal, but also her growing feelings for Hiro.
Luna Ishikawa is a rather unique transfer student: she is a vampire. Accompanied by her cool demeanor, Luna quickly became the center of attention of the class. With such an immense presence, it would be nearly impossible for Tatsuta Ootori, a completely average guy, to ever interact with her. That is, until they are unexpectedly paired together for cleaning duty! As they spend some time together, Tatsuta's impression of Luna slowly crumbles. She is not the mysterious and collected girl everyone think she is. In fact, she is unable to suck blood properly! Having learnt about Luna's ineptness, Tatsuta proposes to become her practice partner. Thus begins the duo's school life together, slowly improving her blood-sucking skills with every bite she takes. [Written by Phloup]