Sore wa Maru de Yume no You na

Lately Oonishi Markio sleeps peacfully on the train, because of the good atmosphere. But where does it come from? — "Somehow the train ride is becoming more peaceful lately…" Mariko has a habit of sleeping on the train, however she didn't realise that she's been sleeping on a certain kouhai. Despite of her misgivings, they somehow became a trial boyfriend and girlfriend. The only issue lies within herself, in which she has a harder time trying to trust in love again…