Baka to Alien!

One walk in the park changed the life of Akihisa forever, for that day he meet an alien named Azmuth. Now he keeps meeting aliens and having to save the day using powers given to him by a strange watch known as the Omnitrix. Not to mention he also now has to deal with being the protecting of an alien princess named Lala Satalin Deviluke! Akihisa x Lala x harem. AU Mass crossover.