Matcha Made in Heaven Vol. 5 (Kodansha, 2023)

After her childhood friend, Jin, confessed his feelings for her, Chako tells him she and Isshin understand their feelings for each other. However, Chako realizes she hasn't received a proper answer to her confession… Isshin's texts are blunt, and he doesn't come back on weekends. On top of that, the fact his ex, Hikari, is around him bothers her, and finally Chako cannot stand it anymore! Chako goes to Shizuoka with Futaba in anger, and what she saw there was Isshin devoted to his work…