Deep Blue Vampire 1.03

In one day, a vampire attacks a hero and he becomes a vampire himself.
He had no choice but to drink blood and pay back to his savior.
The hero is in a situation where blood exchange is vitally necessary. But it is not necessary to drink it from the palm of your hand.
The hero pursues Yasaka Ituki to drink her blood in school.
He finds this process incredibly exciting and discovers that if you manipulate the victim - it becomes even more interesting.
The game process consists of certain events. Battle only with the boss.