This study proposes that the meanings of conjunction marker ``-ese`` are divided according to aspectual features of precedeing clause situation. Further, all of these meanings are based on imperfective function of ``-ese``. As an imperfective function, ``-ese`` presents internal time structure of a situation, like a preliminary phrase or a resultant phrase, as well as a ongoing phrase Therefore, ``-ese`` means ``Precedence`` with [+resultant] as an aspectual feature in a preceding clause situation, locating a view point at the resultant phrase of a situation. Also, ``-ese`` means ``Method`` with [+telic] and [-resultant], focusing on the ongoing phrase of a situation. Meanwhile, ``-ese`` can mean ``Cause`` with any kind of situation aspects, based on a background function in a discourse level. ``-ese`` of Precedence is compared with ``-ko`` which has the similar meaning as a perfective marker. Perfective is defined as absence of imperfective meaning. Therefore, imperfective marker ``-ese`` is used in continuous situation, while perfective marker ``-ko`` is used in neutral.