SPARK!
Slightly warm and passionate
Cat's Pro works, with contemporaneous records clearly indicating that Ren Kiyokawa appeared here before SPARK. Other character experiences still require original introduction.
Blue bird L'oiseau Blue
In works by Panda Hausu, the contemporary records mention that SPARK characters also appear in the work, with specific identities and world order continuing to be verified.
Human World Authority (SPARK!)
Michiru Yamanami belongs to an organization that investigates angels causing global instability and invites Hajime Kondo to help.
エンジェルヘアー（SPARK!）
The traces left by angels may appear in everyday words and conversations, serving as clues for collecting investigations.
Yumi Fukunaga
Credited as a key artist for "SPARK!"
PANDA (Cat's Pro. Music)
Credited as music for "SPARK!"
Masahiro Watabe
Credited as a scriptwriter in "SPARK!"
Cat’s Pro.
Credited as producer in "SPARK!".
Ayame Shinohara (SPARK!)
Masami Shinohara's younger sister, an active freshman who often rides light motorcycles.
Natsuki Tani (SPARK!)
The school class monitor, involved in the protagonist's daily life and investigations.
Shino Todo (SPARK!)
A girl from a wealthy family, interacting with Michiru and others during a school incident.
Hajime Kondo (SPARK!)
Head of the News Department, able to detect angels. After accepting the Administration's request, he collects angel traces in campus life.
Masami Shinohara (SPARK!)
Member of the news club, older brother of Ayame Shinohara.
Yasuhisa Matsubara (SPARK!)
His family runs a temple, which is related to supernatural events on campus.
Michiru Sannami (SPARK!)
Transfer student dispatched by the Human World Administration Bureau invited Hajime to assist; She also appears in a Wanda Mitchi style.
Sachiko Nagakura (SPARK!)
Member of the Manga Research Club, enjoys manga and doujin creation.
Ren Kiyokawa (SPARK!)
Girls related to punk music, and contemporary records indicate she once appeared on 'Slightly Passionate.'
Shintaro Ito (SPARK!)
A member of the News Department, and also has appearances in Bluebird works; the exact crossover experience is yet to be verified.
SPARK!
SPARK! is a campus adventure game developed by Cat's Pro. Hajime Kondo can detect angels. Transfer student Michiru Yamanami is sent by the Human World Administration Bureau to search for traces of angels that destabilize the world in daily life.