Overview:

A story about the main character (Soregashi), who is left in the care of an acquaintance due to his parents’ work, and the older woman (Rinko) who lives there.
In order to change Soregashi’s timid and shy personality, the two try various naughty things called ‘secret training’.
About H part
Action animations can be changed in speed in three stages.
The finish buttons that are displayed will change depending on the type of H part.
(No button, orgasm, bukkake only, bukkake & creampie)