ML is an alien from other planet, looking for a wife that has triangle mole, and it was the MC. In the past, MC saved ML that sit under the tree from heatstroke, and ML has been in love ever since.
When they first met, ML had a body of a child but he grow up rapidly. He can manipulate others memories. The setting is in countryside
Uchuu De Ichiban Kimi Ga Suki