My sister knows (1) / Gangi Mari

Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.

At work, Kiichiro Miki, a dull salaryman who has no facial expression and is thought to be boring. He seems to have no fun at all because he is floating at drinking parties. But only my younger sister knows that my older brother is really "the most interesting thing in the world." 『, I don't allow anyone to mock me. This is an addictive brother and sister comedy presented by Gangi Banri from 』.