EP1 - My Little Sister Can't Be Coming Back Again EP2 - The Big Brother I Trusted and Sent Off Can't Get This Addicted to a Mobile Dating Sim and Commit Sexual Harassment EP3 - My Friend Can't Take Off Her Glasses EP4 - My Little Sister's Rival Can't Come to Japan EP5 - I Can't Be My Little Sister's Boyfriend, and My Little Sister Can't Have a Boyfriend EP6 - My Little Sister Can't Bring Her Boyfriend Home EP7 - I Can't Become a Couple With My Underclassman EP8 - I Can't Create a Summer Memory With My Underclassman EP9 - My Little Sister Can't Be This Cute EP10 - My Little Sister Can't Wear a Wedding Dress EP11 - Little Sisters Can't Barge in on Their Brother Who Lives Alone EP12 - The Total Angel Ayase Can't Descend Upon My Place While I Live Alone EP13 - Little Sisters Can't Fall In Love With Their Older Brothers