Ignorance Is Love?

The Unknown Love? is the one hundred and forty-first chapter of To LOVE-Ru.

Plot
At morning, Rito feels something in his bed and awakes thinking it's Lala again. Instead, it's Momo who is wearing just a shirt (and panties) and gives him a good morning with a flirty face. Nana then walks in to inform Rito that Lala will ask Haruna to go with them at the Hanami. Nana then notices Momo on the bed and attacks Rito asking what is going on. Rito tries to explain is not how it look, but Momo asks Rito if he doesn't remember what happened the night before.

While Rito is left to wonder about Momo's words, in the bathroom Nana asks Momo what she is doing and calls Rito a brute but Momo blush to this description of the boy. Nana reminding her that Rito is Lala's fiance-candidate. Momo then assures her that she is simply fine being Rito's lover and raise her pinkie finger. Momo tells Nana its too early for her to understand how shape of love is different for every person.

The group, after meet with Haruna and Oshizu, goes to view Cherry Blossoms and settle under one of the trees.

Nana goes up to Haruna and tells she still don't get what's so great about Rito. Nana then asks Haruna how wonderful love is as the two watch Rito and Lala play together. Haruna says she's not sure, but explain when she's together with the person she love her hearth throb and she feel happy. Nana decides to get other people's input.

She then asks Oshizu about love, but Oshizu mistakes the term Koi (Love) for Koi (The Fish), leading her to tell Nana some incorrect information about how love is delicious to eat. Nana then asks Mikan if there is someone that she love, which causes her to blush but she denies having anyone of interest. Nana then tells Mikan not to count Rito, which shocks Mikan until Nana explain that sibling love is different and Mikan agrees to.

Nana then sits under a tree contemplating love. Rito then comes up to Nana, complementing her because in that moment she look more feminine and tells that there is no doubt she is a princess. Embarassed, Nana tells him to don't say weird things. Just then, Celine falls out of the tree onto Nana's face causing her to trip, but Rito catches her. Nana stares at Rito, but Momo comes up and asks what they are doing causing Nana to throw Rito away. While Momo wonders if she interfered with something, Nana realizes that she still doesn't get love at all.

Meanwhile, Lala and Celine check on Rito stuck on he ground and ask if he is ok.

Trivia

 * Momo starts her habit to sleep in Rito's bed.
 * Initially, it look how Momo is just teasing, but in the Bangaihen 4 of To LOVE-ru Darkness we'll see what actually happened the night before between her and a sleeping Rito.
 * Nana recalls her talk with Haruna about Rito in chapter 117.

Anime

 * The first scene of the chapter and the Hanami setting are used in the OVA 5 of first anime. However the OVA follow a completely different plot.