Singer Mami Kawada announced at the LisAni! Live concert on Sunday that she will hold her "final" live concert on May 21. The "Mami Kawada Final Fan Festival 'F'" at the Tokyo Dome City Hall will feature musical acts Kotoko, fripSide, and Maon Kurosaki as guests.

Kawada's 16th CD single "Contrail ~Kiseki~" will go on sale on January 27. it is the opening theme song for the ongoing television anime AOKANA: Four Rhythm Across the Blue. She also contributed songs to the original Ao no Kanata no Four Rhythm: Beyond the sky, into the firmament game.

Kawada contributed numerous game and anme tie-in songs for A Certain Magical Index, Baldr Force Exe, Hayate the Combat Butler, Jormungand, Please Teacher and Please Twins, Shakugan no Shana, Starship Operators, To Love-Ru -Trouble- Darkness 2nd, and Tokyo Ravens. She also wrote lyrics for songs in A Lull in the Sea and other anime and game titles.

[Via Hachima Kikō]

Update: Kawada confirmed at Sunday's concert that she will retire as a singer. Source: Music Natalie