An uneventful morning of holding down the fort at the Library sets the stage for Kokoro to have demonstrated that Hikari's cynical personality is very similar to that of Aruto as a child when she questions such things as why Kokoro Library was built where it is and bluntly defines the weaknesses of a Kirin Himemiya novel. Her mother Akari in tranquil waters, Hikari takes very well to Kokoro as the two girls head off to take a bath together before bed much to Iina's anguish...