Itoshi Koishi Kimi Dake Ni summary:

"As long as I can be by his side, even if it is only as a friend...”Yamato, who only ever thought about his studies, fell in love at first sight with the bright and handsome Yuuki. Yamato had already decided on the “I’m okay with being just friends” mindset for the rest of his uni life. So, whatever feelings he had towards Yuuki, he would quietly deal with on his own. However, one day...