Gaki ni Modotte Yarinaoshi (which roughly translates to "Returning to Being a Kid and Starting Over") is a title that falls into the popular "reincarnation" or "time-slip" genre. The story typically follows an adult protagonist who is sent back into their childhood body while retaining all their adult memories.
Visit The Visual Novel Database (VNDB). Search for the English transliteration. The VNDB page often has a "Unofficial Links" section where fans post dropbox links to translation patches. You usually have to source the original Japanese ISO (which is technically the illegal part) and then patch it. sakuracircle gaki ni modotte yarinaoshi free