ตอนที่ 2: นักฆ่าทิ้งเด็กหญิง Miri ไว้กับ Kyutaro ขณะตามล่าแม่ของเธอและล้มเหลวในภารกิจของเจ้าพ่อค้ายา

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As they killed her biological father they consider returning Miri to her mother, but Miri is too young to know where her mother lives. Desperate, they leave Miri in their apartment and convince Kyutaro to research their victims’ girlfriends, hoping to locate Miri’s mother without revealing Miri's existence to Kyutaro, who is already angry at how badly they carried out the assassination. They also receive their next mission. Kyutaro is visited by another mysterious assassin named Ogino. Returning home they are dismayed Miri has trashed the apartment in their absence. Their next target is a drug kingpin but they are forced to take Miri with them on mission. Kazuki infiltrates the house but Miri exposes him and they are both almost killed. Rei saves them and they are forced to escape without killing their target. Kyutaro fires them from the mission but informs them he has located a woman likely to be Miri's mother. The two are relieved they will soon be rid of Miri and can get back to work. Meanwhile Ogino succeeds in killing the kingpin and his guards. (Source: Wikipedia)