A cute South Park doujinshi that is part 4koma and part normal manga. Multiple different artists contributed to this doujinshi as well! scanned by me (Adorable Doujinshi Scanlations)
translated by Zeus777 from fiverr.com
direct download link - http://www.mediafire.com/file/6305x3k56yxlc6y/%28Derpy%29_Youthful_days_%28South_Park%29_translated.zip