A student is groped around her body by unknown hands from the 57:58-59:19 time stamp. Hands are seen going around her neck, around her waist, around her arms, and up her skirt. No nudity is seen.
Two characters passionately make out in front of their class.
A female's voice moaning is heard on the intercom around an hour and 22 minutes in. It is brief, but very loud and it is clear what she's doing.
One of the characters are briefly shown in a bathtub. Most of their breasts are shown, but their nipples are obscured by the water.
Two students sneakily film their teacher urinating in a bathroom stall. No nudity is seen.
High school students make sexual and suggestive comments about their male teacher.
A joke referring to the small breast size of a student is heard several times with minimal detail but mild frequency.