Released in November 1996.
'Waku Waku' is Japanese onomatopoiea for sounds of excitement.
The bonus stage battle against Bonus Kun, the Shotokan punching bag, is a parody of Ryu and Ken of "Street Fighter
" fame. Watch him imitate all of their best moves! It also appears that Bonus Kun's music stage is a parody of 'The Theme of Ryu', which is, as the name implies, the theme music for Ryu in "Street Fighter II - The World Warrior
Pony Canyon released a limited-edition soundtrack album for this game (Waku Waku 7 - PCCB-00215) on 21/08/1996.