HiddenLeaf
Version 1.0.0
The Birdy the Mighty: Decode OVA.
Birdy uses her pin-up alter ego to help Tsutomu make a love connection with Sayaka, but everything goes horribly wrong when a Federation marionette is added to the equation!
(Source: FUNimation)
This OVA connects the first and second Birdy the Mighty Decode seasons.