Sword Art Online/Heartwarming

Chapter 19 when we finally get to see the story behind Asuna and her actions with Kirito and damn is it full of fluff from their accidental meeting and to their in-game marriage.

Last parts of Chapter 15 and up until 16 and its aww

In Volume 2 Chapter 4 during the Christmas of the first year in Sword Art Online Sacchi's recorded message for Kirito... YMMV