After working at a part-time job for the first time and attending Sakuya’s birthday party, Nagi’s health took a slight toll so she’s resting in bed. Maria, Claus, Tama, & Shiranui are all out which leaves Hayate and Nagi alone in Nagi’s estate. The second half is also climactic. The original development returns; the development of the forbidden love…will it happen?
It's like that song: "When I went into town
to buy something..."
Eso debe ser lo que pasa cuando sales 
de compras como en esa canción.
Parece aquela música... 
"Quando eu fui comprar algo na cidade..."