Kimagure Orange Road OVA is basically the extension from the TV series. The time frame is probably in the middle of the TV series. Order to view with the TV series. White Lovers - among the episodes 35 and 45 Hawai Suspence - among the episodes 17 and 25 I was a cat, I was a fish - among the episodes 17 and 30 Hurricane Akane, the shape-shifting girl - among the episodes 20 and 25 Spring is for Idols - among the episodes 23 and 30 Birth of a Star - Right after "Spring is for Idols" Unexpected Situation - after the OAV of Akane Message in Rouge - after the episode 48

Ever since the death of his father, the burden of supporting the family has fallen upon Tanjirou Kamado's shoulders. Though living impoverished on a remote mountain, the Kamado family are able to enjoy a relatively peaceful and happy life. One day, Tanjirou decides to go down to the local village to make a little money selling charcoal. On his way back, night falls, forcing Tanjirou to take shelter in the house of a strange man, who warns him of the existence of flesh-eating demons that lurk in the woods at night. When he finally arrives back home the next day, he is met with a horrifying sight—his whole family has been slaughtered. Worse still, the sole survivor is his sister Nezuko, who has been turned into a bloodthirsty demon. Consumed by rage and hatred, Tanjirou swears to avenge his family and stay by his only remaining sibling. Alongside the mysterious group calling themselves the Demon Slayer Corps, Tanjirou will do whatever it takes to slay the demons and protect the remnants of his beloved sister's humanity.

An unusual snow storm hits Tokyo and the Sailor Senshi discover that an evil snow queen Kaguya, wants to freeze the entire earth. It's up to the Inner Sailor Senshi along with the Outers, to defeat the Queen. Meanwhile, Luna falls in love with a human astronomer named Kakeru whose girlfriend is an astronaut about to take a space shuttle mission. Kakeru becomes ill and Luna wishes she could be a human to help him.

Oji Tanaka has a wife, a child and a mundane job as a salary man in Tokyo's modern society. But life wasn't dull for him to begin with; 15 years ago, he was known as "Gabriel", leader of a short-lived heavy metal band called Black Heaven. Oji's life gets a sudden change in direction when he is invited by a mysterious blonde woman named Layla to pick up his Gibson Flying V and once again display his "legendary" guitar skills, not knowing that his music generates power for a massive weapon in an intergalactic war. (Source: ANN)