A little sister
realized
it
was
good
to
use
her
big
brother
to
masturbate，
and
finally...？

This
book
summaries
the
stories
of
’A
little
sister
who
tries
to
be
sneaky
about
using
her
big
brother
to
masturbate，’
which
were
originally
posted
on
my
support
site
between
2024
and
2025.
Please
note
that
some
parts
of
the
contents
are
the
same
as
those
available
on
the
support
site.
This
mainly
includes
four-frame
and
several
pages
of
comics.
Please
note
that
the
image
sizes
may
vary.
◇Contents
30
pages
of
one-page
and
four-frame
of
comics
（including
cover，
etc.）
（Full
color）