Mitsugu Bamba, who loves to donate blood, encounters vampire girl Maid Vlad Transylvania.
Guest Stars:
Akeno Watanabe
Mitsugu discovers that different types of blood affect Mai's personality. Mai ends up drunk and goes on a night-time romp.
Guest Stars:
Seiyuu Fujiwara, Shinichi Kawabe, Shoumaru Zouza
Maki invites Mai for a garlic dinner and Kaoru invites Mai for a costume party, and she ends up causing trouble at both venues.
Guest Stars:
Ryuto Murasame, Yoshiro Matsumoto, Karin Isobe, Takehiro Hasu, Yusuke Murata
Everyone is now suspicious of Mai and want to know more about her. Mitsugu attempts to hide Mai, but a bottle of dragon blood turns Mai into a rampaging monster.
Guest Stars:
Amane Makino, Anri Katsu, Daiki Hamano, Hiroshi Naka, Ikuto Kanemasa
The fathers of Mai and Mitsugu, a vampire and a vampire hunter, pay a visit to see their daughters.
Guest Stars:
Hiromi Yoshiyama, Takehiro Hasu
The Blood Donation Club puts on a stage play.
Guest Stars:
Rikuya Yasuda, Yukinori Okuhata, Rika Abe, Miyuri Shimabukuro, Karin Isobe
The nurse hangs on to a special bottle of blood from her youth. Everyone wants to know the history of that bottle.
Mitsugu travels around a wonderland looking for blood and meets the Blood Donation Club in various new roles.
The Blood Donation club meets Mai's fiancée, the undead monster Franken Yasohachi.
The Blood Donation Club heads to a isolated island for a summer holiday. However, a fish monster is on the island and Nami goes missing.