He puts it on them in episode 57, Nagi puts the girls uniform on them because Kukai asked "How did you manage the whole short skirt thing?" so Nagi gets the purple flame around him and says "I would tell you, but I more of a show-you-how guy..." or something like that. He only did it to Tadase because he just happened to be in the room at the time. ^^
I hope this helped!
Equineknowitall
Sammy Nagi Njuguna goes by Sammy Nagi Jr., and Nagi.
Nagi are Ramgarhias.
Paul Nagi's birth name is Paul Aron Nagi.
Anis Nagi was born in 1939.
Ibrahim Nagi died in 1953.
Nagi Noda died in 2008.
Nagi Noda was born in 1973.
Paul Nagi is 6' 1".
Anees Nagi has written: 'Putliyan'
Bommireddy Nagi Reddy died in 2004.
Bhuma Nagi Reddy was born in 1964.
Ahmed Saeed Nagi was born in 1916.