@Русик Кул, Volume 13 contains Flag 122b "Koakuma nomi zo Shiru Sekai" (コアクマのみぞ知るセカイ, The World the Lil' Devil Only Knows). Volume 15 contains Flag 137b "Koakuma nomi zo Shiru Sekai" (コアクマのみぞ知るセカイ). Volume 19 contains Flag W "Once Upon a Time in Maijima."
@Русик Кул,Volume 13 contains Flag 122b "Koakuma nomi zo Shiru Sekai" (コアクマのみぞ知るセカイ, The World the Lil' Devil Only Knows).
Volume 15 contains Flag 137b "Koakuma nomi zo Shiru Sekai" (コアクマのみぞ知るセカイ).
Volume 19 contains Flag W "Once Upon a Time in Maijima."
@Русик Кул