Hanako, Olivia, and Kasumi are asked by Aozora Tsugumi to go into the student council room to retrieve the Banana Papers that are hidden somewhere in there. The Banana Papers contain scandals that have happened around school and the student council president is apparently using that to blackmail other students. Hanako and the other girls try to decline the request, but Tsugumi manages to buy them all off one way or another and they end up having to go get the Banana Papers...
thanks to the introduction of 
optical cloaking technology.
بسبب التّعريف عن تكنولوجيا الإخفاء البصريّة
damit jedermann ganz leicht
irgendwo eindringen kann.
lo que facilita la infiltración
 de cualquier persona.
lo que facilita la infiltración
de cualquier persona.
n’importe qui peut facilement
réussir son infiltration.
grazie all'introduzione
dei dispositivi di occultamento.
graças à introdução da 
 tecnologia de disfarce óptico.
благодаря введению оптической
технологии маскировки.