"One day, a girl who loves me will suddenly appear before me"—Middle school teacher Nobunaga has always been dreaming of such a gal game-like situation. However, the one who appeared before him was Kichou, a 14-year-old girl who proclaims herself as his wife. Appears to have arrived from the Sengoku era, she mistakes Nobunaga as Nobunaga Oda and urges him to conceive a child with her. Thus begins the age-difference love comedy between a gal game-loving teacher and a Sengoku era expert princess.

Franchise combining a real life idol trio and limited animation short stories, with their cartoon alter egos thrown into various bizarre and generally sexual situations.

Lemon Angel was once the greatest girl band of Japan, but then it broke up and most of its members vanished. When a music producer decides to put together a new Lemon Angel, average high schooler Tomo Minaguchi is approached to audition for the group. Little does she know of the mystery behind the original Lemon Angel...

Eriko Tamura is Kousuke Tamura, the chairman of Tamura Productions (reknown music company) and Minako Tamura's (former famous idol singer) only daughter. Having talent for singing since birth, she has always loved her parent's media world. Then one day tragedy strikes when her parents get into a horrible car accident, which kills her father and leaves her mother in coma. She is left in her father's best friend, Mr. Uchida's care. Now Eriko must take the path of singing, a path her parents did not want her to pursue. Then her uncle is out to destroy her career. But in spite of all the hardship, she becomes an idol and wins hearts all over Japan.