OVA released with the 9th volume of the manga.

Every girl is a mystery when you're a 16-year-old boy, but Mikoto Urabe is in another league. She carries scissors hidden in her panties. She sleeps on her desk every day. She seems to have no friends whatsoever. But none of that can compare to what happens when Tsubaki Akira decides on a whim to taste a drop of her drool while Urabe sleeps. From that moment onward, things between Urabe and Akira are never the same, and the mysterious girl slowly becomes Akira's mysterious girlfriend. Along with their friends Ueno Kouhei and Oka Ayuko, Akira and Urabe try and navigate the minefield of high school first romance and all the strange things that happen along the way.

Eight years after the events of Macross F, a mysterious phenomenon known as the Var Syndrome is gradually consuming the galaxy. It's up to a new generation of highly capable Valkyrie pilots to deal with this universal menace. And if they didn't have enough on their plate already, the Aerial Knights Valkyrie fighter team from the Kingdom of Wind have come to challenge the Delta Squadron.

Keitaro has finally passed the entrance exams, and is officially a Toudai student. But after breaking his leg in an accident in the entrance ceremony, he thought and re-evaluated himself. Having new goals, Keitaro follows Seta on an overseas archeology trip. During his absence, however, all was not well in Hinata Lodge. Urashima Kanako, Keitaro's sister, arrives on the scene. She claims to be the new manager of Hinata Lodge starts to go against all the tenants. Things become even more complicated when they recieve a letter from Keitaro. The tenants and Kanako made a big mess trying to get the letter, but Seta's car crashes in before anyone could read the letter...