Original sentence: Known as Mako for short, though mostly only to Shuichi, he too wishes to be a girl and shares Shuichi's interest in cross-dressing; it is this that spurs Makoto to become Shuichi's closest friend
Edited sentence: Known as Mako for short, though mostly only to Shuichi, he too wishes to be a girl and shares Shuichi's interest in cross-dressing; it is this that spurs Makoto to become Shuichi's only close male friend