Naisho No Jikan
Other titles :
ナイショノジカン, 保密的时间, L'heure des secrets (french), My Nerd Girl
Author(s) :Aikawa Saki
While at school, Mahiro is the super straight-laced honor student. But she has a secret... after school, she works at a cosplay cafe owned by her uncle! Will she be able to peacefully live her double life after her classmate Hinata discovers her secret?