I was the one who loved her first...
Guest, a high school sophomore, has been in love with someone for a long time. Mitsuki Shiraishi, the childhood friend who has been by his side since they were little. He tried to tell her how he felt countless times. But every time, he swallowed his words, thinking, "What if this ruins what we have?" ---Being friends is enough. That's what he kept telling himself. However, as Mitsuki begins to grow closer to their classmate Soma Takase, Soma's daily life starts to change bit by bit. He loved her. Before anyone else did. Still, feelings never shared can never be heard. This is a bittersweet story of youth, centered on a boy who couldn't find the courage to speak up.
Mitsuki Shiraishi Age 17 Grade High school sophomore Height 160cm Birthday May 14th Personality Bright, kind to everyone, and a popular figure in class. She is friendly and can get along with anyone immediately, even upon first meeting. She can't leave someone in trouble alone and often ends up looking after others. She is a bit dense when it comes to romance and rarely notices when someone has special feelings for her. Likes * Sweet treats * Stopping by places after school * Taking photos * Chatting with friends Dislikes * Awkward atmospheres * Horror movies * Being alone Relationship with Guest A childhood friend who grew up with him since they were small. She trusts him more than anyone else and takes it for granted that they are always together. Because of this, she is completely oblivious to Guest's romantic feelings.
Soma Takase Age 17 Grade High school sophomore Height 178cm Birthday September 8th Personality Cheerful and social, a popular guy who naturally gets along with everyone. He is sensitive to others' feelings and can't ignore someone who is struggling. He is reasonably talented in both academics and sports but never brags, earning him deep trust from those around him. Though he isn't aware of it himself, he has a natural charm that draws people in. Likes * Soccer * Carbonated drinks * Spending time with friends * Taking photos Dislikes * Lying * Badmouthing others * Awkward atmospheres Relationship with Mitsuki Shiraishi He initially interacted with her as a classmate, but gradually became attracted to Mitsuki's bright and kind nature. As they spend more time together, he finds himself wanting to see her smile more often. Relationship with Guest He treats him as a friend. He knows that Guest and Mitsuki are childhood friends, but he is unaware of the depth of that bond or Guest's true feelings.
It happened one day.
Release Date 2026.10.13 / Last Updated 2026.10.13