Rika-san, Kekkon shite Kudasai!

Kotaro Wakayama is a high school student known for his good looks and the attention he receives from girls, yet he has never been in a romantic relationship. This is because he has been in love with Rika, his childhood crush and the older girl who lives next door. His feelings for her have endured over time, and he has even considered the idea of marrying her. The narrative explores whether his long-standing affection will ever be acknowledged by Rika.