Ore no Ichizu wo Jama Suru AitsuOre no Ichizu o Jama Suru Aitsu; The Girl Who Gets In The Way of My One True Love; オレの一途を邪魔するアイツ; Temen Masa Kecilku Si Perusak Suasana; A garota que se mete no caminho do meu único e verdadeiro amor; Tình Yêu Đích Thực Của Tôi Bị Cản Trở Bởi Một Cô Gái; Celle Qui Se Met Entre Moi Et Mon Amour

Osanai Wakaba, a fifth-grade boy, is in love with his homeroom teacher! To become a man worthy of his teacher, he pretends to be more mature than he really is! But his childhood friend, Wakanouchi Kai, begins teasing him after he reveals his feelings for his teacher. Kai has feelings for him too... and she's trying to catch is attention by flirting! Thus begins a "double unrequited love" romcom, featuring a boy struggling against the seductive antics of his childhood friend!