Onimai: I'm Now Your Sister! #2

Plot

One day, loser shut-in Mahiro was suddenly transformed into a girl by his little sister Mihari, and now he's forced to adjust to his new life as a she! Mahiro explores the new-to-her worlds of the hair salon, the girls' side of the arcade... and even what it feels like to have a crush on another girl?! Can she really hold on to her desire to return to manhood in the face of her new and exciting female life?! This collected edition of the popular gender-bending webcomic will have you rolling with laughter and squealing with delight at this brother-turned-beauty's antics!