On a rainy day, the elite salaryman Amakusa Ryo almost falls down some stairs when he is saved by an ordinary high school girl named Arima Ichika. Ryo was dizzy from not eating breakfast, which worries Ichika and she offers him her lunch then runs off. Later when Ryo gets home, Ichika is in his living room and he finds out that she is actually his sister Rio's classmate. Ryo wants to thank Ichika for saving his life and offers to kiss her...
I'm never going to forget 
your beautiful voice.
.نبرات صوتك الجميل متغلغلةٌ داخلي
Deine wunderschöne Stimme
trägt einen Platz in meinem Herzen!
La tua bellissima voce è rimasta scolpita nel mio cuore.
Eu nunca vou esquecer sua bela
voz, está gravada dentro de mim.
Мне ни за что на свете не забыть
твой прекрасный голос.