Lady Kaguya. In love as in war. The love battle of two geniuses 11. Books 21-22

The new academic year in Japan has come to an end, and it is graduation time for high school students. Before leaving school for good, Tsubame intends to respond to Ishigami's confession. The love story of Yu and Koyasu is... nearing its end!
Meanwhile, a new student has transferred to Shuchiin Academy – Mikado Shidjo. The son of a major corporation head, a promising athlete, and an excellent student – he seems to be perfect in every way. However, even such favorites of life have their fears. For instance, becoming an outcast in a new school…
Meanwhile, Shirogane and Kaguya continue to explore the science of romantic relationships. This time, the sweet couple is about to turn the page of their "Alphabet of Love" to a new chapter. It will be interesting to see how far they dare to go?