Mirai no Musuko: Koibito Inai Reki 10-nen no Watashi ni Musuko ga Futtekita!

Today, just trying to make a living is all I can do.... No regular job, no savings, no boyfriend.. The boy that suddenly appears in front of Mirai, a girl living in poverty, is her own son who has time-traveled from the future! Can she raise her child while pursuing her dream of becoming a successful actress? Can she safely send her son back to the future? And who exactly is the father...? A never-before-seen home-life love comedy about the life of a suddenly single mother is about to begin! (Source: Young Jump, translated)