君のキスが泣いている

On that day, one year ago, I kissed you and lost you. Haruto, who attends high school in a seaside town, has two secrets. One is that when he kisses someone, he can erase their memories. And the other is—!? A love story about a high school boy tormented by an unwelcome ability! (Source: Monthly Shonen Sunday, translated) Note: Chapter count includes an epilogue chapter.