A possible concise summary is:
Anthony, a 17-year-old boy, invites Marine, a girl he fell in love with at first sight, to a TV show where he confesses his feelings for her. Marine, who had a brief relationship with Anthony's best friend, is surprised and moved by his declaration. She decides to open the curtain that separates them and give him a kiss. The host and the audience are happy for them and wish them well.
Here are the key facts extracted from the text:
- Anthony is 18 years old and organizes parties.
- Anthony fell in love with Marine at first sight in September.
- Marine went out with Anthony's best friend Thibault for a week and then broke up.
- Anthony and Marine became very close friends after the breakup.
- Anthony came to the show "Only the truth matters" to confess his feelings to Marine.
- Marine was surprised and moved by Anthony's declaration.
- Marine decided to open the curtain and start a relationship with Anthony.