Joshi Suiei-buin no 8-wari wa Paipan.: Surete Nurechau...!

Shinji takes a peek underneath his shy girlfriend's swimsuit, and finds that she's shaved!? Her sensitive pussy gets wetter and wetter, and she climaxes immediately!
(Source: Coolmic) Note: Originally serialized as 9 ‘episodes’ in longstrip format, and later released as 3 chapters.