ZEX-283: Mae menyw ifanc go iawn a raddiodd o brifysgol fawreddog i fenywod ac a gafodd swydd mewn cwmni o fri yn colli ei morwyndod gyda phenderfyniad Miwako Kameyama

A genuine young lady who graduated from a prestigious women's university and got a job at a prestigious company loses her virginity with determination Miwako Kameyama