SHUFFLE!

One day, a "Gate" connected the three distinct races and worlds of Gods, Demons, and Humans, causing them to live together; naturally, this included schools as well. Tsukimi Rin is an ordinary boy who lost both parents in an accident when he was young, so he lives with his childhood friend, Hibiki Kaede. Kaede has deep feelings for Rin, and the two maintained a normal life until one day, the King of the Gods and the Demon Lord came to the human world, bringing along their two lovely daughters, Ciel and Nerine. Surprisingly, Rin must choose one of them to be his fiancée! Thus, a complicated love story begins... (2) The story takes place at a high school called National Babel Academy, where ordinary high school student Tsukimi Rin lives a happy and peaceful life with his childhood friend, Kaede. Due to a great upheaval ten years prior, the passage between the realms of Gods, Humans, and Demons was opened, allowing residents from the God and Demon realms to freely travel in the Human realm. The races of the three realms began living together in society, and over time, people gradually became accustomed to it. One day, two beautiful girls from the God and Demon realms transfer into Babel Academy. They decide to stay in the Human realm to find a chance encounter from their childhoods. From then on, Rin's life begins to undergo changes that seem fated...