Kimi to Sora ni Tsutsuma Rete: Osananajimi wa Tensai Tennis Player

Tsubasa is a tennis prodigy who is popular throughout Japan. Sora, an ordinary office lady, has known Tsubasa since childhood and is happy to just be friends, even though she has a crush on him. But then Tsubasa is reported to be involved with another woman? (Source: Ouzorashuppan, translated)