Gift's activites

I'm creating this list because i've read many incest manga's intentionally or unintentionally.so i thought of creating a list. 
True incest ( Blood related sis x bro) 
step bro x sis
step father x daughter
uncle x niece  
 twincest

Fresh out of the army, Suchae decides to take some time off and travel around the country by himself...

Choi Hanseok, who was the most popular guy around, has become a lifeless & boring person after a...