Building No. 1 (classrooms, information processing rooms, office of the Otani Academic Society and others within the campus, student lounge, Cafe Terrace, "Big Valley" (tearoom))
1号館（教室、情報処理教室、大谷学会・学内学会事務室、学生談話室、カフェ･テラス「ビッグバレー」〈喫茶室〉）