Tokyo: I unlocked their special achievements

Traveling through Tokyo, Yokogawa Yu, who awakens the [Life Achievement System], can see the unknown secrets of the girls.
　　Unlock these "special" achievements and you'll get all sorts of rewards for a carefree life.
　　The school beauty is actually a...
　　The icy female teacher actually has a side that is unknown to the public...
　　So Yokogawa Yu relied on the system to roam around Tokyo and control countless women.