Chapter 421

'''Hayate no Gotoku! Chapter 421:''' What Makes You Happy (幸せの形)

Characters in Order of Appearance

 * 1) Ruka Suirenji
 * 2) Nagi Sanzenin
 * 3) Isumi Saginomiya - shown in flashback
 * 4) Hinagiku Katsura - shown in flashback
 * 5) Chiharu Harukaze - shown in flashback
 * 6) Hayate Ayasaki - mentioned
 * 7) Kayura Tsurugino

Trivia

 * While helping Ruka with her Doujinshi, Kayura is cosplayed as "Comic Master K". This is a parody of J from the manga series Comic Master J.