Louis, a first-year junior high school student, visits his deceased mother's parents' house with his father during the summer vacation. Louis finds a mysterious tunnel in the garden. When he went to the back, a...

The official manga adaptation for the first game in the series.

Nana was raised by robots, and is now a research student living with Hachitsu, a gifted scientist also raised by robots. One day, Hachitsu collapses from a disease. In order to gain the time to develop a cure...

This is a world where those referred to as mutants exist. Ai Zetsuze is a class 5 mutant who has fallen in love with his human co-worker, Kanzaki. He had given up on the possibility of romance with a normal...

Joon-sang moves to a rural city in South Korea. On one day, Joon-sang soon falls in love with Yu-jin. Their love is cut short when Joon-sang loses his memory after a serious auto accident. Joon-sang's mother...

Iris was the illegitimate prince of Aslan Kingdom in the big Continent and was raised in a desert by his mother. After her death, the King saw the son inherited his beloved’s beautiful silver eyes and silver...