Kanzen Furin -Kakusu Bigaku, Abaku Kakugo-

City official Takuya loves wife Chiharu but fears infidelity is normal now. Snooping on her phone finds nothing, making him guilty. Yet, he'd simply missed her traps. Chiharu cheats to keep loving him; Takuya loves her despite the betrayal. Can you spot her meticulously erased traces?