When You're Smashed / The Ruined Party
Miki drinks beer and gets drunk. In her drunk personality, she is very cute, shy and husband looking girl. In the other episode, Megumi is also drunk, and becomes an abusive and violent tomboy. But after while, they (literally) knock the alcohol out of each other, and are back to their normal (but still violent) selves again.
Aired 20/09/2006EP 12 - When You're Smashed / The Ruined Party
2006
Ramen Fighter Miki
Miki Onimaru is a poster girl that works at her mother's Chinese ramen restaurant. She appears to be a normal girl, but she can become very violent if provoked. She picks a fight with her mother and accquaintances as a result on an almost daily basis, causing a series of troubling mishaps in their otherwise normal lives.
(Source: Anime News Network)