The story of Lesson XX has a sweet feel to it. It revolves around two boys, Shizuka and Sakura who are friends at a coed boarding school. One day, Shizuka happens to notice Sakura’s sheer beauty when he dives in to take a hit from a baseball. After some mixed up thoughts of who Sakura likes, Shizuka tells him he wishes to kiss him as a joke. But Sakura doesn’t care; he still insists that the two kiss under the starry sky. After this incident, Shizuka thinks it’s best for the two to be away from each other, so as to sort out their thoughts and real feelings. (Source: ANN)

While walking through the streets of Tokyo, Linn Suzuki comes across a strange device sticking up from the sidewalk. Suddenly, she is set upon by thugs and is helped by a beautiful stranger who takes them all down. It seems young Linn has fled Deep Kyoto from her cruel mistress and has traveled to Edo where she hopes to find her long lost brother, who was last seen working for the Kuon Detective Agency. By chance, this stranger happens to be Miho Kuon and lets Linn stay with her (nicknaming her Kotetsu, or Little Tetsu after her brother, Tetsujin). However, a mysterious agency called the Syndicate are after Miho and Linn is now in the thick of things. (Source: ANN)

Long ago there were fierce gods of legends who shook the earth to its foundation with their power. There are now prehistoric rivals from the primitive times in Japan, that fought to protect their secrets in the present day. The God of Darkness Susanoah-oh is now sleeping in the shadows of the underworld waiting for his rebirth. However his coming hasn't gone unoticed. There are agents from the Kikuchi Clan (descendants of Japans first inhabitants) who have seen the warning signs of the spreading of darkness's bringing. These investigators are armed with ancient knowledge and artifacts who are willingly prepared to face the God of Darkness. Now they must fight the assembled spirits of hell to find the one young boy who is chosen by fate to grasp the chaotic might of the deadly Gods. (Source: ANN)

Fresh out of college, Kawase Mitsuro is eager to start his new job as a middle school art teacher. Upon his arrival, he quickly blends in with the masses of girls ogling the toned body of senior teacher Kazama Toshiaki. Kazama ignores the schoolgirls. However, Kazama realizes something is different about Kawase and decides to ask the latter out to dinner. Unconvinced his advances are serious, Kawase goes along with Kazama halfheartedly. When Kazama's true feelings are revealed, will Kawase embrace his potential lover or give in to the expectations of society?