Tonari no Motokare-kun

Airi Kuroki, 40 years old. One day, her unforgettable high school ex-boyfriend, Inaba, moves into the apartment next door! The two, who parted ways while still in love, find themselves still thinking about each other even after more than 20 years... Pure-hearted even in their 40s?! A love story of mature men and women who miss each other, begins!