Sakiko-san in delusion Vol.7 ~Sakiko-san's circumstance at an educational training Route2~ (collage) (Continue to “First day of study trip” (page 42) of Vol.1)

How you edit like this? I wanna learn because is hard to find Hinata ntr doujin

Note that this is non-canon work of some delusional amateur that attempted to fill-in the time gaps in the main series (this one refers particular to page 42 of Vol 1). This is basically pasted on Arakure's various series and slapped together to try and make a "coherent" story. In other words, it's retarded.