The official website of the currently airing Spring 2015 series Nisekoi:
announced that the spin-off manga Magical Pâtissière Kosaki-chan
will be animated in the eighth episode. The cast of Nisekoi:
will reprise their roles as alternate versions of their characters, and Kana Hanazawa will sing the opening theme song "Magical☆Styling." The episode will be broadcast on May 29.
Magical Pâtissière Kosaki-chan
uses an alternate setting where Kosaki Onodera, whose family runs a Japanese sweets shop, is transformed into a magical girl. The manga has been serialized in Shounen Jump+
since December 2014, and the first volume will be released on June 4.
Kosaki Onodera (Magical Pâtissière Kosaki-chan): Kana Hanazawa
Rurin: Yumi Uchiyama
Chitoge Kirisaki (Magical Gorilla Chitoge): Nao Touyama
Tsugumya: Mikako Komatsu
Marika Tachibana (Magical Police Marika): Kana Asumi
Hondason: You Taichi
Dr. Maiko: Yuuki Kaji
Source: Comic Natalie