Takumi-kun Series

From Forever More:
Shidou highschool Institute is an all-boys dormitory school located far from the city inside the mountains. Takumi, who is going out with the famous Gii - Saki Giichi in the academy, has a secret which no one knows...
From Blue:
June Pride:
Far away from the city, deep within the mountains, sits the all-boys high school, Shidou Academy. In years past, this school housed only the sons of the most elite families in the country, but these days it welcomes all into its historic halls. Takumi, a boy from humble origins, prepares to begin his second year at the school. Held back by psychological issues, Takumi’s indifferent attitude has garnered him no friends and the reputation as a cold fish. Then along comes Gui, a wealthy and charismatic student born in America. Gui is the only person who doesn’t see Takumi as odd, and the two become friends. But how will the two cope when Gui confesses his love to Takumi? And can the couple survive the revelation of the secret behind the psychological problems that plague Takumi?
Barefoot Waltz:
17 year-old violin prodigy, Sachi, has scheduled a performance at Shidou Academy that has all the student body abuzz. This is especially true for Takumi who gave up the violin, but has nevertheless been an ardent admirer of Sachi for years. When the two become friends, how will it affect Takumi’s relationship with Gui? And what is the true reason behind Sachi’s visit to Shidou Academy?
Kisetsu Hazure no Kaidan:
When Takumi and Gui hear an odd sound in the science lab late one night, they discover a photograph that leads them to a mystery involving the school clock tower. Is the school haunted by a vengeful ghost? Or is someone hiding a dark secret? And when the couple spends their first Christmas together, will Gui play the role of Santa and fulfill all of Takumi's desires?