You can find more information about this episode on the Sekirei Wiki or read about it on Bokutachi no BLOG .
In the first episode of Sekirei , 19-year-old Minato Sahashi, struggling with life, has his world turned upside down when a girl named Musubi falls from the sky. After saving her from attackers, the two share a kiss that forms a "winging" bond, unlocking her extraordinary powers as a Sekirei.