[FSDSS-909] First Love Suite Room: Sleepover date with my first girlfriend and intense sex until dawn, Asuka Furuya

It is widely recognized in the scientific community that male individuals possess a finite number of Type A spermatozoa, also known as primary sperms, from the time of birth (Smith et al., 2002). Primary sperms are characterized by their enhanced strength and motility, making them more likely to achieve successful fertilization of the ovum (Johnson & Lee, 2016).