Hajime asks his friend Yoshi to set him up with his classmate Ann. Yoshi tries to do this for Hajime, but this just upsets Ann. Yoshi's relationship with Ann is now awkward. Yoshi doesn't know exactly why, but Ann becomes absent from school frequently. One day, during their summer vacation, Yoshi hears that Ann has dropped out of school.
Is Adult Drop on Netflix? Unfortunately the movie Adult Drop is not yet available on Netflix.
| Directing | Ken Iizuka | Director |
| Camera | Daisuke Soma | Director of Photography |
| Production | Ryota Miyamoto | Production Manager |
| Production | Yuichi Shibahara | Producer |
| Costume & Make-Up | Chieko Naijô | Makeup & Hair |
| Editing | Naoichiro Sagara | Editor |
| Lighting | Akiyo Miyoshi | Lighting Director |
| Writing | Naoya Higuchi | Original Story |
| Writing | Ken Iizuka | Screenplay |
| Production | Kazumi Kawashiro | Executive Producer |
| Production | Tomoya Takeda | Executive Producer |
| Sound | Shogo Kaida | Original Music Composer |
| Editing | Ken Iizuka | Editor |
| Production | Asako Nishikawa | Producer |
| Art | Shuji Yamashita | Production Design |
| Sound | Hironobu Tanaka | Sound |
| Directing | Yôhei Matsushita | Assistant Director |
| Costume & Make-Up | Masae Miyamoto | Costume Design |
