Heartwarming / Nogizaka Haruka no Himitsu

  • Generally, any time Haruka and Yuuto overcome an obstacle regarding their relationship, such as when he first finds out about her Closet Otaku tendencies.
  • Another one happens at the end of Finale, when Gento calls Yuuto his "son", after the latter shows him his resolve and feelings towards Haruka.
http://tvtropes.org/pmwiki/pmwiki.php/Heartwarming/NogizakaHarukaNoHimitsu