The Sister of My Childhood Friend Who Has a Boyfriend Has Been Involved With Me a Lot Lately

Haruto Kanda, Who Has Feelings for His Childhood Friend Karen Aizawa, Is Told That She Has a Boyfriend. Haruto Congratulates Karen as a Childhood Friend, but the Shock of Heartbreak Brings Him Back to Life When He Meets Karen’s Younger Sister, Ageha.“Watch Me! I’ll Make You Fall in Love With Me for Sure!”