Karin: Chibi Vampire Episode 6: Mother Is Full of Energy! How Embarrassing
Episode 6 of 24 of Karin: Chibi Vampire, aired December 7, 2005, 25 minutes. Available with English subtitles and dub where released.
Episode summary
Usui works every day at the restaurant to the point of exhaustion, making him really unhappy. With Karin's "taste" being unhappiness it makes it impossible for Karin to be around him without overflowing.