Board Thread:Questions and Answers/@comment-173.72.7.174-20170408203500/@comment-28391659-20170409052137

1. Kirito is in Underworld for around 17 years, hence he is 17 years old in Underworld (Regarding that 200 years old thing, I don't think that necessarily true, since the first Intergity Knight have lived for thousands of years due to the Administrator. 2. Can't answer that, haven't read it 3. Same as number 2