Lista episodi

Naoya Mukai has just begun dating his childhood friend Saki. But when Nagisa Minase confesses her love for him, he can't turn her away.

The three try sleeping in the same bedroom. Later on, Nagisa and Naoya bond at home and school.

Nagisa is so helpful to Naoya that Saki makes desperate attempts to prove her worth to Naoya.

A fellow student finds out about Naoya's secret.

Rika goes to extreme measures, including moving into Naoya's home with a tent, to make him accept her as a third girlfriend.

Rika's dad appears and tries to take her away.

Saki tries to seduce Naoya, which sets off a series of misunderstandings.

Saki and Nagisa convince Naoya that a dogged Rika is in heat. The ruse doesn't last when he confronts her to leave the three of them alone.

A desperate Rika kisses Naoya in front of everyone to cement their link and affection.

Naoya takes Saki and Nagisa to Hakone to enjoy the hot springs, only to find Rika has followed then, as well as Shion a new girl who has suspicions about them.

While Naoya gets into the clutches of Rika and Shion and tries to escape them both, Saki and Nagisa have a quiet talk and discuss their history with Naoya.

When Nagisa's patience runs out and she runs off, Naoya and everyone else start a chase to catch her.