Episode 1 
 
Tsun Devil & Sister's Ring 
There's a rumor about a DVD that curses anyone who watches it. Though no one seems to believe in the curse few are brave enough to see what's on the DVD... Mika Akuno watches the DVD... and gets transformed into a succubus. She tries to keep the change a secret but loses control when her crush Kazuya approaches her... Later, Kana agrees to watch the DVD after two of her friends ask her. As a result of the curse she grows something regular women don't have. Her sister Mai tries to help her get back to normal, but the two get more than they bargained for... 
 
Episode 2 
 
Katakoi 
There is a wizarding school where the school is where people learn about magic, and there is a scene about the famous drug / stimulant problem that makes people lust and can also fall in love with the drug. The protagonist tried to use the stimulant to seize the person he liked named Elena. The elf girl who is very beautiful and popular in the school.

Koakuma Kanojo THE ANIMATION