It's June of their third year of high school, and Takumi has an important anniversary to attend back in his hometown. He wants to invite Gii along for the trip, but time and scheduling and possibly broken promises stand in the way.
Unfortunately the movie Takumi-kun Series: That, Sunny Blue Sky is not yet available on HBO Max.
| Directing | Takeshi Yokoi | Director |
| Writing | Hiroko Kanasugi | Screenplay |
| Production | Takashi Anzai | Executive Producer |
| Production | Kazuyoshi Fukuba | Executive Producer |
| Production | Kazushi Miki | Executive Producer |
| Production | Kazushi Miki | Producer |
| Production | Takeshi Katayama | Producer |
| Production | Mika Nakamura | Producer |
| Writing | Shinobu Goto | Original Story |
| Camera | Satoshi Shimomoto | Director of Photography |
| Sound | Masamitsu Nakamura | Sound Recordist |
| Sound | Koji Endo | Original Music Composer |
| Art | Shuji Yamashita | Art Direction |
| Editing | Takeshi Yokoi | Editor |
