Paperbag-kun Is in Love, Vol. 1 Paperback manga

A stalker? A pervert? No, no. I'm just a college boy who is single-mindedly in love with someone. It's just. I live my life wearing a paper bag on my head. People look at me strangely on campus. Even though he's extremely timid, he abruptly confessed his love and pushing forward! The girl he confessed to, Umi-chan, took it by surprise! And soon an unexpected turn of events is about to happen...!? A series of weird but lovely, super cute romantic comedy