Pink no Idenshi

Pink no Idenshi summary:

Included in this collection of manga oneshots is "Dangerous Love Triangle". Prequel: Kiss Me Baby Ayase, a high school student catches her chemistry Fugiki teacher whom she is secretly in love with, kissing a married teacher in the music room. Fugiki catches her watching, and after she teases him the two share a kiss. After this however Fugiki ignores her! What are Fugiki's real feelings? Will Ayase ever get to be in a real relationship with him?