>>90503757Matsuri self-sabotaging her relationship with Luna, then trying and failing to salvage it for months before they finally agreed to move on.
Matsuri self-sabotaging her relationship with Haachama, then making up.
Marine and Shion almost-fucking then both of them being hurt by the other's response afterwards.
Not sure if there was anything in EN.
>>90504282I'm pretty sure Fauna vs Kronii is what led to them unironically fucking IRL considering how aggressively they started flirting afterwards, so I'm not sure that qualifies as them actually being upset with each other