|Mysterious Cute Boy|
|Rōmaji||Bishounen (lit. Handsome boy)|
|Dear My Future||Episode 5|
|Age (Dear My Future)||Around 13|
The Mysterious Cute Boy is who Jae Eun fell in love with after having a little crush on Itsuki. Although Jae Eun was in love with him, nothing else was heard about her relationship with him, and she went on to fall in love with Shou. He never returns after his debut appearance.
- Hiro Nakajima, who plays the Mysterious Cute Boy, also plays Eru Harune.