Hikaru and Ichiro are close friends in high school. Hikaru's elder brother Tadashi fell in love with Ichiro's elder sister, Mikako at first sight. Although she gave the cold shoulder to Tadashi, she gradually became fond of Tadashi.
Farewell to Spring
Demon Slayer: Kimetsu no Yaiba - Tsuzumi Mansion Arc
There Are No Saints
Detective Knight: Independence