霜月さんはモブが好き (Series) favorite_border

[DeepL Translation - needs review] Volume 1: "You are the only one who is special." After school, Kotaro Nakayama returns to school to pick up something he forgot and finds Shiho Shimotsuki asleep in an empty classroom. Shiho is rumored to be the favorite of Ryoma Ryuzaki, a popular boy who has formed a harem in his class, but she is always expressionless and no one has ever seen her smile. But now, her white fingers are holding Kotaro's hand...! The "secret relationship" between the heroine...