The protagonist, Bottom Biting Bug the 18th (age 10), is endlessly cheerful and energetic, and just loves to sing and dance. When bitten correctly by a bottom biting bug, a person with a hunched back will have perfect posture, a depressed person will start to laugh, a timid person will gain confidence... Anyone bitten will seem like a whole new person! However, even bottom biting bugs make plenty of mistakes... The story of B.B.B.'s crazy life continues with more of the humor and gags that kids love!

[Source: Crunchyroll]