Hayate Ayasaki
Episode: 4x01 | Airdate: Apr 9, 2013
Episodes
Nagi Sanzenin
Episode: 4x02 | Airdate: Apr 16, 2013
Athena Tennousu
Episode: 4x03 | Airdate: Apr 23, 2013
Isumi Saginomiya and Sakuya Aizawa
Episode: 4x04 | Airdate: Apr 30, 2013
Hinagiku Katsura
Episode: 4x05 | Airdate: May 6, 2013
Izumi Segawa and Two Others
Episode: 4x06 | Airdate: May 13, 2013
Ruka Suirenji
Episode: 4x07 | Airdate: May 27, 2013
Ayumu Nishizawa
Episode: 4x08 | Airdate: Jun 3, 2013
Chiharu Harukaze and Kayura Tsurugino
Episode: 4x09 | Airdate: Jun 10, 2013
Maria
Episode: 4x10 | Airdate: Jun 17, 2013
Who's that Knocking at my Door?
Episode: 4x11 | Airdate: Jun 24, 2013
Being Loved and Living
Episode: 4x12 | Airdate: Jul 1, 2013