A mid-length novel game containing two stories.
Pandora Diary — a story where Mikoto tells a “certain someone” about her sins, her loves and her vow, and “he” who atoned for those sins.
Happy Birthday • Happy End — Several years after Matarou turns himself in, leaving behind Mikoto and Mitarou. Several years later, on April 27th, Mikoto and Mitarou hold a birthday party for Mikoto's birthday. In the meanwhile, the police are informed of an escaped inmate in the neighborhood...

A fandisc of Mikoto Nikki.