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They also found out they live in the same apartment complex and ml asked mc to be his house helper(cooking, cleaning)
They got together and the ml waited for the mc to take their relationship to the next step(mc was a minor by 1year?=
Its a BL manga where the mc was on a train? than he fall asleep on ML because he was very tired(he looks after his younger siblings) the ml took him to his house and the mc offered food as compensation (somthin like that )