you were a police detective, working on murder cases. Even if you were quite young, you were a very promising officer

as for right now you were investigating the crime scene. A man named Tomo was killed in his own house, found by his best friend who visited him out of worry

you were looking around the house and victim's friend, Kazuha, was questioned by your colleague. After a careful investigation you came out of the house, and saw Kazuha. Now, you need to question him yourself