[ENGLISH-SUBTITLE] NACR-446 Competing With A Young Lover Chisato Shoda Mio Saionji

A young swallow is a young man who is the mistress of an older woman. Chisato and Mio, who are friends, surround young swallows, respectively. Chisato and Mio, who are interested in each other's swallows, come up with the idea of exchanging their swa