CW: Suicide, EDs
- Heartstopper starts.
- Nick and Charlie meet for the first time.
- Charlie breaks up with Ben.
- Nick and Charlie start having feelings for each other.
- Charlie realises he has feelings for Nick.
- April 17th: Nick and Charlie kiss for the first time.
- Nick and Charlie start dating.
- Oliver knows about Nick and Charlie's relationship.
- April 27th: Charlie turns 15
- Tara and Darcy know about Nick and Charlie's relationship.
- Tori knows about Nick and Charlie's relationship.
- Charlie develops an eating disorder.
- Tori starts Sixth Form at Higgs.
- Nick starts Sixth Form at Truham.
- Michael starts Year 13 at Higgs.
- Charlie attempts suicide.
- Charlie is checked into a psychiatric hospital.
- Charlie goes back home.
- This Winter starts.
- Solitaire starts.
- Lucas transfers to to Higgs.
- Michael and Tori meet for the first time.
- Solitaire's pranks start.
- 22nd/23rd - The Solitaire Meet-up Party takes place
- Higgs burns down.
- Nick and Charlie starts.
- Nick leaves for university.