Sasamiya, who works at an advertising agency, is wondering how to deal with a junior colleague who is coming on to him too hard... more>>

One day, a high school girl peeps into his phone and starts to give him love advice.

From then on, the two start to talk everyday on the morning commuter train…. …

This is a clumsy romantic comedy about an unsociable twenty-six-year-old office worker and a high school girl who speaks frankly. <<less

A great detective who appears out of nowhere and solves cases with brilliant deductions. Kirinomiya Saika, who acts like this, is my senior. She's the... more>> daughter of a conglomerate, not someone that an ordinary student like me can approach, but for some reason I'm being made her assistant. As I’m dragged along to crime scenes, a real mu*der case finally occurs.
"The mystery that wanders in the depths of darkness, I will expose it to the light of day.”
No matter how much my senpai shows off her deductions, she cannot solve the mystery. <<less