The Diary of a Crazed Family S01 E11 Delicious Loli, It Must be Consumed

Hyouka meets a girl he called "Musume-san", and the two strike up an unusual friendship. Ginka claims that this must be Hyouka's first love. However, the relationship is threatened, when everyone discovers that Musume-san's sister was killed by Hyouka, against his will.