Aoi Koga

Aoi Koga ( Koga Aoi) was a former guitarist/songwriter of ROUTE: L, the husband of Hazuki Kouyama and the father of Mitsuki Kouyama.

Biography
Aoi has died in different ways:


 * In the anime, he died when Mitsuki Kouyama was a year old.
 * In the manga, he died in a car accident while driving Hazuki Kouyama to the hospital to give birth to Mitsuki.

Manga

 * Mitsuki's Case
 * As Long As My Wings Can Fly
 * We're Both Half-Angels
 * Love and Loneliness
 * Vision of an Angel
 * The Forbidden Hide and Seek
 * The One Who Links the Broken Chain
 * Absolute Territory—Midnight Revolution
 * Not Even God Can Stop the Moon
 * The One Who Loves You
 * If the Little Mermaid Is You

Anime

 * I Want You to Hear It!
 * My Father's Song
 * My Message
 * Someone Who Might Know Where Eichi Is
 * Grandma's Past
 * Izumi's Enticing Offer
 * On the Night of the New Moon
 * I Just Can't Tell Him