Kicking Off in the Gundam World

This book features multiple heroines; readers who prefer a single heroine, please spare me and don't leave bad reviews. Not a Mary Sue. A transmigration tale through Gundam, mecha, and mech-war anime worlds. The main world is SEED. The worlds you can travel to include Mobile Suit Gundam 0079, Macross, Dance of Angels and Dragons, Gundam W, Iron-Blooded Orphans, Gundam 00, the Universal Century series, and Evangelion; to be decided (readers can request). Suddenly transmigrating into the Gundam world, the protagonist is utterly bewildered; the only consolation is that it's only the SEED world at the start. Fortunately, it's the anime he has watched most often; at the start, he can still survive by laying low. As long as he gets aboard the Big Angel, being content to have served as crew is enough. However, there will be that guy who won't want him.