A possible concise summary is:
Two friends, Cash and Nico, go on a camping trip without their parents and encounter a vampire who bites them. They become vampires themselves and meet two girls, Mia and Zoe, who take them to the Vampire Academy. There, they learn about their abilities and different types of blood. They also get into trouble with some vampire hunters who capture them and lock them up. Cash manages to escape and rescue his friends with his bat form. They return to the school and continue their vampire adventures.
Here are some key facts extracted from the text:
1. Tasha and Cash are two friends who go on a vacation without their parents.
2. They encounter a vampire who bites them and turns them into vampires.
3. They meet another vampire named Mazdalier who takes them to the Vampire Academy.
4. They learn how to use their vampire abilities such as turning into bats and telepathy.
5. They attack some villagers and get captured by vampire hunters.
6. Nico, a friend of Cash, rescues them and they escape.