BANK-014 — Brother Has Sex With Sister While Parents Are Out Mana Hirate

Mana is famous for being pretty in her hometown, and is often approached by a variety of men, which is a nuisance. Since she is still young and has a quiet personality, she is unable to say no clearly, and her brother often takes pity on her and deals with the situation for her. Mana feels that she can rely on her brother, and has always thought that if she were to marry, it would be best to marry someone like him. Then, one day, she sees her brother masturbating...